when taking your hat off makes you look fatter and older.
Did you see Bob with his hat off?

- Yeah he looks 10 years older and 20lb heavier.

He's hat fat!
by taylorhawkins August 11, 2010
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the roll of fat that rests on your head when you blow a fat guy
I love getting a fat hat, even if it means I have to wear a neck brace and stop riding roller coasters
by Sally Popkorn April 15, 2008
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