when you grunt a loaf and chunks of hardened poo drop into the toilet
"jon ate too much pasta and got ass chunks the next morning"
by Thugbunniefolife March 15, 2007
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Derogatory term for a person who has spent too much time eating junk food and not enough time exercising. The US is full of these people.
"Whoaa! Fat Boy, you is a chunk ass - quit the cheeseburgers."
by Wizards Sleeve June 11, 2005
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