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1.
A word created by www.facebook.com/michaelreillymusic that defines a female who is typically only recognized from the back of her head because she's usually face down in a males lap
person 1: Dude, is that, Anne? The girl you used to hang out with on the weekends? By the fruity pebbles... person 2: I'm not sure? person 1: N...evermind, shes walking away now person 2: ohhh, Anne. Yeah, that's her. I recognize her now. She's a head backer.
by Michael Reilly January 22, 2011