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bad or hevly upseting food you have eaten to cause explosive diarrhea. also afeliated with the toco bell's big bell value menu. or a.k.a gas station
that food was a gut grenade.
by crab152003 February 11, 2007
13 4
Better known as Krystal's hamburgers. They usually feel like someone dropped a frag grenade in your stomach, as well as leave shrapnel in the toilet... later in the day.
Hey bob, lets stop by Krystal's and pick up a couple of gut grenades.
by Ksing Kser August 26, 2003
14 12
Something that you get from McDonalds that makes your gut feel like it was punched in the stomach a few times.
I was in a hurry so I had to get a gut grenade....man that hurts!!!
by Lil Duff 2008 August 06, 2008
3 3