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when something is so funny that you literally piss yourself laughing.
dude 1: did you see the sketch that billy connolly did about putting a condom on inside out?

dude 2: haha, yeah it was piss funny.
by Jonny Foxwell September 13, 2007
26 7
Hilarious, very amusing
www.pissfunny.com is pissfunny
by Whizz May 04, 2004
12 5
hilarious. Irish colloq
That guy tom he thinks he is pissfunny
by Sean October 09, 2003
3 2