Grating the cheese

When one emits a fart that sounds choppy and disconnected.
random guy: blup. blup. blup. blup.blup.blup.blupblupblupblup.

random girl: (to friend) eew! did you just here that guy?!?!?!?! he was totally grating the cheese!
by SirGawinisaballetphreek May 02, 2010
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