When you are pissing, sitting down and you accidentally piss on your underwear.
Damn it, I got a wet surprise again!
by n-bomb August 14, 2015
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when fingering a girl, becoming irritated, annoyed, or bored so much as to smack her face with a hand full of juices that she squirted into one's cupped hands.
I was sick of the nasty faces my girl was making, so I gave her the wet hand surprise!
by the big purple hippo July 19, 2009
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