2
To beat yo meat and have sperm cum out, another word for sperm and ejaculation,masterbation
Jessica caught her son billy gwapin in his room
by KINGMMONEYALLDAYEVERYDAY October 02, 2010
Get the mug
Get a GWAPIN mug for your Facebook friend Manafort.
3
The act of slappin nuts on a chin, The term comes from the sound the nuts make on the chin "GWAP GWAP GWAP"
"Yo bro I was gwapin your sister the other night that bitch can chin slap some good nuts!"
by Traybreezy420 October 18, 2011
Get the mug
Get a Gwapin mug for your dog GΓΌnter.