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1.
In video game hockey, rapidly poke checking the goalie while he has the puck covered but can still move it.

Any goals gained from this practice are very cheesy.
Why do you keep grating the cheese? I'm not going to pass it with my goalie.

I've got two goals off grating the cheese alone.
by Hexis July 25, 2008
 
2.
When a male removes the penis from the anus of another person, and then inserts it into the anus of a third party, then ejaculates and performs ass to mouth.
I couldnt believe the hookers I picked up, they were all for Grating The Cheese
by Jeffdepartie July 27, 2008
 
3.
An act of male masturbation involving grinding on a surface without the use of the hand or other device.
I walked in on my boyfriend grating the cheese last night.
by brutus_maximus May 11, 2012
 
4.
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
 
5.
The act of performing oral sex on a woman with a yest infection.
I was grating the cheese on this girl and after I needed a breath mint, bad.
by Eric B January 15, 2004