(n., from Latin, Dirtus Fartus) a wet fart that soaks cloth, causes horrible rectal itch/burn and occurs when one is not at home and has no means or opportunity to clean up/change trunks.
After John's DIRTFART incident at his mother-in-laws funeral, the family began to rethink his role as a pallbearer.
by DiRt FaRt HeRo January 8, 2010
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