When your around parents and dont want to say Fuck
Friend one: We just got a flat tire!
Friend two: Flup!!
by BAILSOFEMACC August 28, 2017
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To attach ones pubic hair to anothers eyelashes while ejaculating in the second party's nose
by BigFlupper November 20, 2010
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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.
by AelaraTheGoo June 20, 2017
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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.
by Steve Hanning May 5, 2007
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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
by slopecarver July 30, 2010
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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.
by howcansheslap1 February 10, 2013
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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."
by Phroxen March 10, 2006
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