New Gainer Story - "Santa's Fat Sack of Gifts"

"Santa's Fat Sack of Gifts" 

by Lardfill, December 2021

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Plot: A young feeder makes a Christmas wish that causes Santa to grow to enormous proportions, with unexpected consequences. 

This is a shorter (and lighter) story than my usual - a quick read with extreme weight gain, immobility, size transformation, and a bit of holiday magic.   

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Santa's Fat Sack of Gifts

by Lardfill, December 2021

Billy was laying in his childhood bedroom, trying to fall asleep on his first visit home since moving away to college.   He was absentmindedly stroking his cock and rubbing the pudgy little belly that he had grown in his first few months away from home, feeling the round bulge of fullness that remained from the giant holiday feast that he had eaten.  He had let his workout routine slip over the last year, and while he normally only liked pushing others to gain weight, he was enjoying the new extra padding on his own body.  As he played with his soft and hairy belly roll, he got the urge to sneak into the kitchen for a late night piece of pie from the fridge. 

The sound of pie pans and plates clattering in the kitchen brought Billy to his feet - he wanted to get to that pie before his dad or brothers got to it so he threw on some pajama bottoms and momentarily tiptoed in place, trying to get his erection to fade away before making his way down the hall.   When he entered the kitchen he stopped dead in his tracks.   Standing in front of the open fridge, devouring the last slice of pie, was a very fat man with salt-and-pepper hair in a Santa Clause outfit.   The fat man could feel Billy's eyes on him and he spun around to face him, his soft hairy belly sloshing out from under the red and white top.

"Who are you?" Billy demanded, trying to get a good look at the man's face from the glowing back light of the fridge. 

The fat man chuckled and Billy could make out a toothy smile on his plump bearded face.

"Why, you don't know who I am, Billy?" the fat man asked in return, stepping forward so the light from the hallway illuminated his face.

The man looked like Santa, albeit a bit disheveled with pie crumbs on his face and a series of food stains on his under-sized costume.  His hair wasn't entirely white, but he certainly carried the look of old Saint Nick.   Billy couldn't stop looking down at the man's belly as it wobbled heavily from underneath his top.   He wanted to grab it and squeeze it so badly, but he also needed to know who this strange man was and why he was in his family's house.

"Who are you?" Billy repeated, more firmly this time, flexing his beefy muscles a bit to try to be intimidating.   

"My boy, I'm Santa Clause, of course," the fat man replied.  "Don't mind all this mess on my outfit - I tend to eat a lot of milk and cookies on this night."

"Come on, man... Santa?  You expect me to believe that?" Billy said, shaking his head and grabbing the outdated cordless phone on the counter.

"Want me to prove it?" the fat man asked.

"You're going to have to prove it fast, because I'm about to call the cops here," Billy threatened.

"Alright... I'll give you what you've always wanted," the fat man said with a wink.

Suddenly, the fat man's belly groaned and appeared to sag down lower.   His Santa outfit immediately began to tighten and crease as his body swelled inside of it.    Billy watched as the fat man's balls began to bulge in the snug pants, and as his thighs strained against the fabric underneath of them.   

"Oh! oh! oh!" the fat man moaned as his placed his chubby hands on his belly and clutched at the fabric that had quickly become too tight for comfort.

Billy was speechless.   An erection throbbed to life in his pajamas without him even realizing.   This fat man was growing impossibly fast right before his eyes and there was no explanation for it - he had to be dreaming.    

"Fuck, I hope I don't wake up... don't wake up... don't wake up..." Billy muttered to himself, trying to burn the sight into his memory.

"Oh... boy, you're so naughty...   You're a naughty boy, Billy," the fat man gasped, licking his lips.   "Look at what you wished for!" 

The fat man wobbled forward and let his giant growing belly bump into Billy's chunky stomach, which was just enough force to overburden the costume's buttons, sending them popping off the fabric and tumbling across the floor.    The fat man's belly seemed to double in size with the release of the buttons, pushing into Billy with a heavy and warm softness that crushed into him with a weight that took his breath away.    The slab of underbelly that was set free slopped down onto Billy's erection and nearly made Billy's knees buckle from the sensation.

"You're making me so fat, Billy," the fat man whispered as he leaned closer, pushing Billy back hard against the wall with his weight.   "But we both know that this is just the start."

Billy gasped as he felt the fat man's belly melt lower while continuing to grow wider and softer.   His erection was snagged on the swelling underbelly and he couldn't resist the urge to push back into the fat so his cock would slide into the deepening fold.   When he did, the fat man chuckled and called him a "bad, bad boy" and continued to inflate with blubber.    Billy grasped the sides of the man's wobbly belly and pushed into him over and over, each thrust making the fat man swell bigger and bigger.    

"Don't wake up.... please, don't wake up," Billy continued to say to himself, convinced that he was in the best gainer dream of his life.

"You're wide awake, Billy," the fat man said, his double chin unable to hide under his beard anymore.   

"Keep growing, please keep growing... you fat pig," Billy grunted, trying to take control of his dream.

"Call me Santa," the fat man demanded.

"Fucking grow, you pig," Billy said through gritting teeth.  "Don't fucking wake up... don't wake up..."

"So naughty... what am I going to do with you?" the fat man replied, belching as he continued to grow.

"Grow!" Billy snapped.

With that, the fat man moaned deeply as his belly flopped down to his knees.  His pants split open and a heavy sack of lard flopped down low underneath of it.  The fat man had a pair of giant balls and a fat pad so big that his sizeable cock has almost been completely swallowed in the incredibly soft blubber.    His ass has grown enormous and was covered in dimples from the gigantic amount of cellulite that was swelling up from inside of him.   His chest sagged low and spread wide, separated by a tuft of grey-white hair and each peaked with a large pink nipple that were close enough to Billy's face that he began to suck and tug on them with his mouth.  The fat man just grinned and moaned, his fat face becoming overly-fat so his cheeks had begun to push up at his eyes and his double chin and neck had grown so large that his beard had begun to look like a goatee compared to how it looked just minutes earlier.   The entire time, Billy kept gliding his cock into the fat man's underbelly, poking into the deep fold while he tried to stop himself from cumming too soon.

"How about I go lay down on the couch and you give Santa's cock a suck before it gets swallowed up completely in all this juicy fat?" the fat man proposed.  "I'm getting too heavy to stand up anymore."

Billy agreed and led him slowly to the couch.   Every step was heavier than the last and by the time they reached the couch, the fat man was wheezing and sweating with a bright red face.   He had to be approaching 800lbs and there was no sign of him slowing down.   He groaned loudly as he rolled his enormous bulk into the couch, nearly tipping the piece of furniture over and making it creek in despair from the strain.   He looked absolutely enormous.   His legs were forming multiple rolls of fat that spread wider and wider by the second.    His belly covered his knees and Billy had to push all of his body weight into the mass of belly to expose the massive pair of grapefruit-sized balls and mammoth fat pad, which had a deep indent in the middle where a bright red cock head sat, oozing a creamy white trickle of pre-cum.

"Hurry!  Before it gets buried for good!"  the fat man pleaded, the fat pad growing so the final remains of his cock were being closed up by the sea of soft lard that encroached more with every passing second.

Billy lunged at the remains of the fat man's cock and was surprised to find it tasted sweet, like frosting on cake.    His eyes rolled back in his head as he pushed his face into the fat man's blubber and sucked wildly at the delicious cherry of a cock head.    The man's belly inched further over the back of Billy's head as it continued to grow and he struggled to push himself in deeper so all the growing flesh wouldn't push him away from the throbbing sweet cock.   

"I'm growing faster, boy... hurry!"  the fat man growled, his voice lowering and becoming husky as the fat strangled his vocal cords.   "I can feel it slipping away!  Hurry!"

Billy gasped for breath and dove his face in as deep as his could.   There was so much more fat in the way that he couldn't find the obese blob's cock at all.   He plunged his face in deep, feeling the expanse of belly pooling over his head and down onto his shoulders and back.   The fat pad was bigger than Billy's entire torso and the soft crush of lard was making it harder and harder to know where he even was.   He dug his arms into the fat and created a pocket of space to catch his breath again and then dove his face into the hollow he had created, following the sweet taste of the fat man's pre-cum that was bubbling up from a fleshy hole.    

"HURRY!   I'm getting too fat!   Hurry!" the fat man's voice was gurgling as his face swelled with so much lard that he could barely move his mouth or open his eyes.   

The fat man was spilling onto the floor, his love handle resting on the carpet and his belly beginning to slip off to the side too.   Billy was trapped under the fat man's belly and fat pad, struggling to find his balance on the giant globs of thigh fat underneath of him.   As the fat man grew, his fat pad ballooned so large that the hole where his cock was buried stretched wider and wider, allowing Billy to push his face in so deep that it completely swallowed his skull.   He held his breath and slid in deeper until he felt the hot wet cock head push against his lips and then immediately sucked it into his mouth, determined to make this ballooning pile of lard cum as fast as he could.   

"OH! OH! Ohhhh!" the fat man grunted as he felt Billy's hot tongue slop over his cock and lap at the juices dribbling from it.   "More!  More!!! MORE!!!"

Billy clawed his way in deeper to fight the constant push of new fat that threatened to bury him completely.   He felt like he was suspended in jelly, crushed under the endless weight of the man's ballooning body, but he had to complete his mission.    Just as the man's cock head slipped away from Billy's reach again, he felt the oversized balls pump and heave.   A rush of hot thick cum shot into Billy's lips and flooded his mouth.   It was sweet as candy and Billy drank it down as fast as the man could produce it.    He gulped it down, mouthful after mouthful until he felt like he was drowning and began to squirm and push away so he could find some air again, but he couldn't find any escape.    He was buried in lard, so much that he couldn't move.

"I can't stop!   You're a filthy naughty boy, Billy!"  the fat man gurgled.   

The couch was unable to contain the whale-sized blob of lard, now too heavy to move an inch.    The couch collapsed and split into pieces, flattened under the still-growing expanse of flesh that was once a man in a cheap Santa outfit.   Cum bubbled and oozed out from under his belly as he continued to spew semen like a soft serve ice cream machine.   Billy squirmed and struggled and was finally able to manage to slip out of the fold of lard by using the copious amounts of sugary sperm as a lubricant.  He gasped for air and looked up at the curve of soft buttery flesh that had pinned him down - it looked unreal and impossibly huge, so much so that Billy felt disoriented.

The fat man's hairy bellybutton sat in the middle of a massive pile of fat the size of a vehicle - a large vehicle.   He was enormous and inhumanly fat.   His limbs were just piles of pooling blubber, bunched up in heavy rolls that fought for space with each other.   He could see a giant pink nipple resting on the floor, covering the curve of another massive roll of flesh.    His legs were nearly buried in the expanse of belly, and the dimpled mass of his butt cheeks spread out from under him, making his gigantic body look like a pile of enormous scoops of melting ice cream, all melting over each other to create a giant sloppy mess.  

"I need the guys!"   GUYS, GET IN HERE!" the fat man wheezed, barely able to form the words as he called out for help.

Billy could only fall into the fleshy sea in front of him and hump the unbelievable amount of fat, the slimy cum lubing him up so much that he was cumming within seconds.   He was busy grinding his hips into the soft lard when the front door burst open and a chain of impossibly tall hairy muscular men dressed only in leather harnesses strolled into the living room to surround the fat man and Billy.  This is when Billy realized something was very wrong, not just with the fat man, but with himself.   Nine burly men towered over him and the living room looked huge, like the ceilings were at least twenty feet tall.    He looked around and realized that all the furniture looked massive and oversized too, and the kitchen looked enormous but also distant, with the fridge looking like it was the size of a large truck.

"What's going on?!   Who are you?" Billy called out, his voice sounding weird and high.

"He's Santa, and it looks like you're another elf to bring back to the workshop," one of the burly giants replied before taking a hard look at the fat man and adding,  "Look at what this little guy did to the boss, guys... we're going to have to call Junior and ask him to finish up for the night.   Santa's not going anywhere else tonight, or ever again.   You just wished Santa Clause into an early retirement, you little snot."

"Alright guys, lets get Santa home and get the second sleigh booted up for Junior," another beefy giant said.

"Okay, this has to be a dream.  It just has to," Billy said, unsure if he wanted to wake up or remain in this fantasy.  The nine men were hung like horses and thick with muscle and the sight of their towering bodies combined with the sight and enormous plushness of the fat man's body made Billy cum again.

"It's not a dream, you stupid puny elf.   You sucked Santa off and swallowed his seed and now you're his elf for life," another burly giant said, matter-of-factly.  "That's just what happens.  Not a dream."

"Some of these fucking elves, I swear, they're so perverted.   Look at the state of the boss - he's just a pile of dough now!" the first hairy giant said, slapping the side of the fat man's enormous belly and watching him jiggle.  

Another one of the strong giants leaned down and grabbed Billy in both of his humongous hands, lifting him up like he weighed nothing and tucking him under his strong arms.   Billy was barely taller than this man's knees and knew that he couldn't fight back against such a giant.   Raised high above the floor, Billy could finally get a good look at the fat man's body now that it was done growing.   He looked multiple times fatter than the heaviest recorded man, an impossibly massive pile of lard so obscenely swollen that even his head was getting swallowed up in the gigantic blob.   

"How are you all so huge?!   What is going on?"  Billy squealed from the tight grip of the towering giant.

"We're not that big - it's you who is small, elf," the giant said with a chuckle.   "Can you believe this guy?  He still doesn't get it!" 

"What a dope!  Better not let him on the assembly floor until we can find out if he's smart enough," another giant boomed.

"Perverted little devil - making Santa into such a disgusting fat mess!  We should put him on cleaning duties - see if he likes taking care of Santa for eternity now that he's made him too fat to do anything," a giant said with a wicked toothy smile.

"Come on, guys... let's get them in the trailer," the first giant said, prompting the other men to begin lifting and shifting Santa's weight while the one who was holding Billy left the house and walked out into the bitter cold to a waiting semi-truck that was sitting along the edge of the road.  

"Where are you taking me?!   Stop!  Please!"  Billy shouted, feeling so confused as they passed by the mailbox, which looked so tall that Billy would need a ladder to reach it from the ground.  

The tractor trailer door was yanked open and rolled up to reveal dozens of other naked elves all contained behind bars.   They shouted out, pleading to be released as the giant hairy man opened a door in the iron bars and placed Billy inside with the other elves.   He suddenly realized that he had changed just like Santa had, but instead of becoming a massive fleshy pile of lard, he had shrunken down to a quarter of his height and had grown slight points on his ears like every other shrunken captive in the trailer.   He had become a tiny version of his former self, and although it was beyond his belief, he accepted that he actually had become an elf.  

"What did you wish for?" one of the elves asked Billy.

"What?  Just help me get out of here!" Billy cried out.

The giant hairy man on the other side of the bars laughed and pointed at Billy before saying, "This one here wished that Santa would become the fattest fucking pile of lard that this world has ever seen, and then he sucked his balls dry, just like the rest of you little runts!" 

"You what??   You wished for him to get fat?!  THAT'S what you wished for?" another elf said, snickering.

"Yeah, so?   What the hell did you wish for?" Billy snipped.

"A new phone," the elf said, suddenly disappointed in himself.

"A phone?  That's it?" Billy said with an accomplished grin.

"...and... teeth whitening..." the elf added.

"I only wished for a gift certificate for the hardware store!" another elf blurted out.  "This isn't fair!  Let us out!"

"Yeah, you all wished for something - some were small and some were large, but the main thing is that all of you little sluts lapped up Santa's seed and that's why you're all here.   He made you into his new batch of elves, and that's just how it goes when you offer yourself over to him," the giant hairy man said coldly, his words making brief clouds in the frosty air, his nose and cheeks blushed from the cold, and his powerful body radiating a drifting steam of damp sweaty heat.    "Now settle down, it's time to get you guys to headquarters so we can assign you all tasks that fit your skill level.   Welcome to your new life, you perverted little fuckers."

With that, the trailer door slammed shut and the elves were plunged into darkness as they made their way to the North Pole to work for the man who made them this way, and his son, and his son, and so on - forever.    They were trapped and unable to leave, but Billy had a feeling that his wish would determine his new position in the workshop and that taking care of his massively fattened Santa would be better than any life he could make for himself in the real world.    He wished that he could keep growing the fat man like he had inside the house, and in response, Billy could hear the faint groans and struggles of the giant men moving Santa out of the house.

"Fuck! He's still growing!" he could hear one of the giant men say.

Billy bit his lip and began jerking off in the middle of all the other elves, knowing that he was exactly where he wanted to be.