Top Definition
Play on words, 'backfired'.
When you offer someone some of your food, out of guilt that you are consuming much more than they are, expecting them to say no, they unexpectedly say yes, so you cut your cheeseburger into two uneven pieces, assuming they will take the small bit, and to your surprise they fucking take the large bit..boy that fatfired.
She actually said yes when I offered her some of my chuppa chup..now I have to share the effing thing. That realy fatfired on me.
by itsross May 08, 2008

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