Originated from 'Fuck you' but became a synonym of 'Screw you'. Used to avoid being censored by swear-word filters, whatsoever.
Person1: Oh the cake looks awesome...
Person2: I know right?
Person1: Could I get a slice?
Person2: Did you help me make it? No.
Person1: Oh c'mon.
Person2: PAK U.
by Pattttt.<3 May 26, 2009
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