GWAPIN

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 03, 2010

Gwapin'

Meaning You're Gettin' Moeny

From the word "Gwap" meaing money

Damn sun, you gwapin'

by Just Call Me Bo May 28, 2007

Gwapin

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