There's a very particular sound effect that plays when you give them a squeeze!
I'll re-post the sketch version for easy viewing as well.
Cooner
2019-08-14 23:50:17 +0000 UTCTULER ★彡
2019-08-01 19:13:33 +0000 UTCV--R
2019-08-01 19:12:28 +0000 UTCLimboJack
2019-08-01 16:41:54 +0000 UTCPonpokora
2019-08-01 09:19:47 +0000 UTC