Definitions by iAmHunterific

Codsack Flap 

The act of thrusting your hips forward and backward in order to make your codsack flap backward and smack against your ass cheeks, causing a clapping noise.

Person 1: "Dude I totally Codsack Flapped last night!"
Person 2: "Really?! Did it hurt?"
Person 1: "Hell yeah bro!"

Codsack Flap by iAmHunterific November 1, 2018