A piff an unexpected splirt of white gas out of the top of your penis. It makes a loud PIFF sound and comes out nice and slowly. You may not feel it coming out but you sure will hear it.

In normals terms a piff is a penis-fart.
Person 1: Hey man do you want to see a movie?

Person 2: Yeah dude what movie are ou *PIFF* t.

Person 1: Gross. Did you just piff?
by GiggityGoo69 January 17, 2011
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A word used to describe something good, popular or attractive.
"Wow Ryan Morris is looking really piff today!"
"Man! When did Tom get so piff?!"
by MrAdolfHipster January 8, 2013
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A feeling of disgust, anger, repulsiveness, or frustration.
Guy 1: *pokes Guy 2 on the arm*

Guy 2: I feel very piff about you.

Guy 1: You are so piff right now! Uhg!
by moranestis productions February 8, 2021
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Urban Slang for Good-looking, pretty, beautiful etc...
Boy: You're looking proper piff today!

Girl: You very Hot yourself!
by SykesIsSexy March 13, 2012
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To throw something hard at someone or at an object
"I'm gonna piff this rock across the lake"
by Objx April 2, 2018
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To be crispy , extra fresh , have alot of swag , or just top notch clean cut.
Aye , that shirt os so fucking piff !
by PrimaDonna27 November 22, 2010
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Me & me mates piffed yonnies & clods at a VB can floatin' in the billabong until it sank.
by pmaxx March 23, 2011
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