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abbrievation for "Pee in Your Face." A taunt used after knocking someone down onto the ground
"Man, keep your ass down or I'm going to PIYF, Pee in your face."
by mozziemark September 09, 2006
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by ruff March 21, 2005
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One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

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