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(adv.) when a severly fat person orders an assload of food but finishes the order off with "and a large DIET coke"
i'm tired of al's fatassery! he always says, "i'll have 2 big macs, supersize fries, apple pie & a large DIET coke, please."
by junewho October 18, 2006
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1) The act of eating like a fat ass.

2) Eating things only a pregnant woman would crave, while not pregnant.

3) The feeling you get after eating until you feel sick.
I'm going to go indulge my fatassery and eat some pickles and ice cream. Or maybe bacon and syrup.
by usababe08 January 16, 2012
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