Acronym for Uncontrollable Appetite Disorder. A disorder associated with very large people.
Mr. Allen has a UAD, we really should respect his disorder.
by Captain Duder July 09, 2009
Top Definition
Ugly Ass Dude
Look at that UAD.
What's an UAD?
Ugly Ass Dude.
by aloe2oeld January 16, 2012

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