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1.
Another word for peepee, also spelt weewee. AKA a penis. Usually used by young boys.
"Mommy, why his wiwi bigger than mine?"
by meNNis November 12, 2006
 
2.
An acronym for "Was it worth it?" Usually said to make fun of someone after they screw up when trying to do something meant to look awesome.
"Damn, that was a nasty fall."
"Yeah, backflips are hard. My ass hurts."
"Hey, man, can I ask you something?"
"What?"
"Wiwi?"
"Aw, fuck you, man."
by pjunk December 29, 2008
 
3.
Whippin' It While Intoxicated. The way better term for a DUI because it is sooo much fun to say. Pronounced "WeeWee."
Dude don't get a WIWI
by Botard July 12, 2011