Nob-Robber

A woman who gives off that "I'm crazy and could potentially cut off your penis while you sleep" vibe. It is usually more easily identified when the victim is accompanied by close friends.

"Hey Chad, can I steal you away for a sec? WTF, dude? Did you not see her eyes? That chick is a Nob-Robber for sure! Back me up, Paul..."

"Yeah steer clear of her, Chad. She's not worth losing lil' Chazz over!"