Top Definition
When you're so full from eating the food is just sitting in your stomach like a rock.
Man, Pizza Hut gave me the worst rock gut ever.
by Jay Cam January 07, 2009

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Cheap beer that usually tastes horrible.
"Ah man this rock gut is gonna make me puke, I wish we weren't so poor!"
by insinuwait May 22, 2008

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One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

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