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A descriptive term describing the after the fact insult of someones rather sizable posterior. ( ass for the less wordy ).

Works especially well if the individual's name is Charles.
"OH my gosh, look at that girls ass."
"What does she feed it, Miracle Grow?????"
Then someone says, "Wow, what a chuck roast"
by Grand Master D "Dave" April 24, 2006
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