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Short for 'die in a fire.'

Usually used in a sentence- I wish that hoe would just d in an f!

The phrase is most often exclaimed in times of showing angst towards people that get on your nerves.
Lisa: That girl just spilled beer ALL over my shirt!
Dee: Ugh, that's the worst, why doesnt she just d in an f?
by g-diggity February 24, 2008
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