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Someone who thinks or speaks condescendingly to others who aren't as concerned with inches of muscle, percent body fat, Creatine, protein shakes or marathon running as s/he is.
"That guy's been staring at you for twenty minutes. You should say hi."

"Ugh. No."

"Why not? He's kinda cute."

"Look at him. I know he can't bench press his own body weight, so no thank you."

"Dude, don't be such a body fascist."
by StSean November 04, 2009
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