A younger man who frequents clubs in order to score with a much older woman. The gesvyn can be anyone from a guy with an overly thick accent, to an absolute sad and horny teenager, to a real hotshot or calf. Gesvyn are gaining in popularity -- particularly the rare calves -- as young men find not only a sexual high, but many times a chick with her shit together.

A casual invitation / threat used by an individual that is not afraid of fucking someone up.