Flup 

The act of lifting up person's breast and letting gravity take it's course and make their breasts bounce and wave around.

Guy1: I dare you to go flup that chicks breasts.
Guy2: What? What is a flup?
Guy1: Basically lift her tits and then make them bounce.
Guy2: Erm, Alright, I'll do it for $25.00.
Guy1: Deal, just get on with it.

Flup by AelaraTheGoo June 20, 2017

flup 

The sound an umbrella makes when it turns inside out in a strong wind.

After a strong gust of wind, the umbrella went 'flup' and turned inside out.

flup by Steve Hanning May 19, 2007

flup 

replacement profanity word in the ringworld series, flup is what the spill mountains are made of which is the sediment at the bottoms of the seas which is pumped to the top of the mountains

how the flup do I get to the top of that spill mountain

flup by slopecarver July 30, 2010

flup 

a flaccid penis.

Guy A: Dude, you're such a pussy.
Guy B: Well at least I'm not a flup.
Guy A: What's a flup?
Guy B: *Aziz Ansari voice* A flaccid penis.

flup by howcansheslap1 February 9, 2013

flup 

Originated in Louisville Kentucky. FLuP refers to "Far Left Pedal", or "clutch" in other words. If something is "flup", it is very clutch.. life-saving.. extraordinary.

(In a game of Flip Cup) "Slim flipped his cup before that other dude... he's fuckin' flup!"

"Chuck Norris is the most flup motherfucker on the planet."

"Thanks for taking the blame on that one... that was flup."

flup by Phroxen April 18, 2006

flup 

to have finished eating. "flup = fl'up = full up"

"i'm flup, cant eat another thing"

flup by charlene April 17, 2004

Flup 

A synonym for fuck

Flupping hell i dropped my phone

Flup by Wimsxfficial April 29, 2022