Mud-Flappin'

When you are having anal sex with a girl and you pull out and put it into her vagina.

Friend #1: I was have amazing anal sex with that filthy little filly Stacy and I pulled it out and put it deep in her bum, straight mud-flappin' bro.

Friend #2: Amazing, pure class.

by Timothy0Peden September 16, 2021

flappin the goose

trying something out or testing something. Another saying for "testing the waters".

I am flappin the goose with this new job I have.

by PizzaNiffin June 21, 2011

flappin

when something lame or bad

man that burnt toast was flappin man

by rockykat11 January 3, 2022

Excessive Lip Flappin'

Usually describes a pesron who talks too much, whether about themselves or about alot of useless shit nobody wants to hear.

I wish that nigga would shut tha fuck up with all that Excessive Lip Flappin'! Nobody cares how big you think you are!

by Westside Digital Pimp April 16, 2022

Boob Flappin’

Sexual mode of transportation.

That hooker’s titties are perfect for boob flappin’. They’ll get ya there fast!

by l0v3rlan3 & D0ssburg April 23, 2025