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over redundant exclaimation expressing feelings of astonishment or sheer flabergation. derived from a combonation of people who don't use profanity around children and people who don't really give a fuck.
Gary: "What in the mutherfuckin' F are you fuckers doing!?!"

Steve: "What the hell is that F supposed to mean?"
by turbomelvin November 13, 2010
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