flappy sack

A place at which your testicles used to be

Your right he doesn't have balls, it's just a flappy sack!!

by C Mac April 26, 2017

flappy dunk

Adj. when you have a half boner and stick it in anyways

Things that can cause flappy dunk: excessive alcohol, non-attractive partner, mood-killing conversation, general inadequacy, among other. Please see your doctor if this happens too often.

Bro: "So how was your night? Did you get it in?"
You: "Yeah..but it was a flappy dunk, too much beer last night"

by Anthonyguy July 30, 2017

Flapperdoodle

When a couple is taking one off to better themselves and discover their own lives before reuniting as one.

No,me and Elmo are not on a break. We’re on a flapperdoodle

by Minutemaidmango June 8, 2018

Flappin

A person who continues to speak without any real knowledge and thinks they know exactly what they are talking about.

Boa yo ass jus flappin now Lebron not winning a ring with the lakers

by AJ_2KYT November 24, 2018

FlapJackie

FlapJackie is used as an insult to insult someone when they´re being a fucking dickhead,FlapJackie means you have extra fat meaning your uncircumcised,A fatass and you jerk off way to much

Guy 1:Hey im pretty sure bryce is jerking off way to much
Guy 2:Oh yeah its because hes a fucking Flapjackie

by DKlc8 February 10, 2020

Trouser-Flappin'

When you are standing next to a speaker at a concert or a party and the power of the music makes your trousers move.

Happens more with bass bins. Coined by DJ Nark.

The music was trouser-flappin' last night! Whopper tunes!

by theresamonsterintheparasol May 13, 2009

Mud flapped

The act of having your balls farted on.

My wife mud flapped me last night.

by nrourk February 27, 2011