When a naked woman stands above a man who is laying down face up and she quickly squats down so her vagina stamps him in the face.

Similar to tea bagging
Carlos: Oh man! Do you remember when that stripper trout stamped Jimmy last night?

Randy: Yeah, that fucker better wash his damn face. I'd a slapped the bitch if she did that to me.

Carlos: Really? I'd a stuck out my tongue.
by Spoonmann December 2, 2008
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Needing to drop some toilet trout in the shitter but wanting to do it legally, Brenda bought a roll of Trout Stamps to avoid getting fined by the Department of Natural Resources.
by Gerald Busey November 20, 2008
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