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1.
A girl who is constantly desperate for sex and will do whatever it takes to get it. A prostidouche will try and seduce your boyfriend/girlfriend and won't feel bad about it in the morning. She is an absolute cunt 98% of the time and will fuck anything with a pulse. It doesn't matter how many toes a prostidouche steps on, if she gets laid, she has succeeded that is all the matters to her.
"Oh my god, that slut totally just pushed me aside while I was talking to John"
"Yeah, she's a total prostidouche"
by SJND November 27, 2013