The euphoric happy feeling that accompanies a stomach that is very full after a good meal.
Oh... my stomach hurts, that was sooo good, I'm so fat happy...
by fatquix March 11, 2010
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A female that is still very attractive even though she is overweight.
Example: My friends are a bunch of fat happy's, they still look good even though they're fat.
by Moquerie December 20, 2007
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dude 1: that chick has massive who who's!
dude 2: I know, i just got fat and happy
by archibald mcsphincter September 11, 2006
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A fuck up, beer drinkin, whiskey bingin, cig smokin, McDonalds eatin, dippin, sloppy ass mother fucker. But pretty funny
Shut the fuck up Fat n Happy !
by Nate Young April 2, 2006
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Fat a person puts on during a happy relationship.
Jon put on some happy fat since he been seeing this girl.
by shoitan June 23, 2009
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The term used to describe the structure of phalic organs of men that are large and wide.
That man really has a fat and happy dong, i bet he gets mad women
by CoolKid66642069 June 16, 2019
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