1 definition by sephethus

Top Definition
verb: To do someone a favor when they did not ask for it, expecting money or favors in return.
I was on my way into the convenience store when that bum guiltmugged me by holding the door open.

I was stopped at the red light when a bum guiltmugged me by cleaning my windshield.
by sephethus July 16, 2011

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