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The owing of a favor or other positive courtesy, based on someone doing something helpful or positive for you, without you having the opportunity to return the gesture, either due to circumstances or because such returns are declined.
A: Dude, someone just returned the wallet I lost, credit cards and everything still in it!

B: Did they leave their name or number?

A: Nope, nothing. Guess I've racked up some karma debt.
by thomasnism August 18, 2008
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