noun - a compilation of the words "fringe" and "ninja". One of those creepy emo kids with a huge chin length fringe who possesses the ability to move up behind you in total silence. Eye-witness acounts report that when this occurs the victim is seen to simultaneously shit his/her pants and scream like a hampster being squashed in a hydraulic press.

A person with an outwardly dominant, masculine, or aggressive personality, but who also enthusiastically takes on the submissive or "bottom" role in the bedroom.