When someone slaps your arm twice (one with each hand) and then proceeds to snail (slide their hand under your arm) your arm, and then say double flap snail
by Middle breek brazy October 5, 2017

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!"
Person 2: "Really?! Did it hurt?"
Person 1: "Hell yeah bro!"
by iAmHunterific November 1, 2018

by Mang2much March 30, 2023

by melon spoon November 17, 2015

by Makarios_ January 29, 2023

John "Man, I heard that once you hit the age of 60, you start to develop a flap pack!"
Chris "Isn't that true!"
Chris "Isn't that true!"
by Anal Asian June 30, 2014

A female with a wiffy down below after camping all weekend at a festival without having a shower other than using wet wipes
by Fezzie flaps August 30, 2021
