(n.) The lip that you pack after a long, dirty, unforgiving session of sexual intercourse. Without a doubt, the best lip you'll ever throw in your mouth.
Pete: How was your slam sesh with that slut?
Steve: It was unbelievable, I destroyed her but nothings better than that
Post Nut Lip.
Gooch: Post Nut Lips are the shit, definitly comparable to a Post Nut Boge
Looch: Pass the tin, i'm about to pack a
bomb.
