Top definition
When one wets their non-errect penis and wiggles and smacks it in their partners face.
Resembling a fish out of water.
Steve: Yo, last night I was doin some real freaky shit wth my bitch.
Ron: what you do?
Steve: I did the Russian Fish Slap.
Ron: Thats pretty intense man.
by jbird1 July 29, 2011
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