A fork of Rural Dictionary
A woman that has breasts that sag downward to a point with a curve that closely resembles the shape of a shark fin.
Guy 1: Dude check out the ass on that one.
Guy 2: (scoff)take a better look its shark fin.
Guy 1: You gotta be shitting me....(takes a second to notice)FUCK! Stab my eyes out with a pen.