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When someone jumps from one fuck boy to another fuck boy
"Is Emily still dating George?"
"No, but she's seeing some other jerk now"
"oh man.... so she's still doing the chump jump then?"
by emmileejoe September 18, 2017
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When you get jumped from behind by a chump who wasn't brave enough (or good) enough to square up to you. So they gotta be a chump and jump you so you have no warning or defense.

There's no warning or defense when you get chump-jumped from behind, that's what makes them a chump. Next time square up CHUMP if you want a W.
by SquareUp March 07, 2017
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