A prostinot is a younger female, who dresses like a prostitute, but is not very attractive. This word derives from the term prostitot which is a young female that dresses provocatively.
Guy 1: Man, check out those prostitutes!

Guy 2: Nah man, their young, their prostitots!

Guy 3: Nah bro! Their ugly too, more like a prostinot!
by EriXutton September 3, 2010
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