Sexual activity in which the female's genitals end up in pieces.
OMG look at your vagina! You must've been doing some pie smashing
by caseone March 8, 2011
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The act of vomiting onto a sexual partner's penis and then promptly mounting and riding it.
Joe: Dude, that blind date you set me up with was kinky.
James: How?
Joe: She gave me a Lithuanian mountain pie smash on her own.
by Mountainsmasher June 16, 2011
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