Dudertron

Mmmm, Tastey! [SKETCH]

Added 2019-05-08 16:04:41 +0000 UTC

Oh no! The mighty (Shrunken) Optimus Prime has been swallowed by that dastardly Decepticon's cock, and he's trapped in his balls, struggling in vain to escape his sexual lubrication fluids!! How will he escape this...?

....he probably won't ;3
Hmm, I wonder if Knockout might even amp up Prime's humiliation by unloading him into another mech during sex. Only time will tell!
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You may notice Knockout doesn't have his car doors or wheels in this shot. Partly it's because I think it makes sense for Transformers to retract or take their awkward kibble off during casual moments/sex acts so they're not hampered by bulk, but partly it also makes it a bit easier to draw. Plus when they have bits hanging off them, certain poses block off parts of their body, so some of the sexiness can be lost. So yeah, it's a bit of an artistic choice on my part.