Acronym for: Uncomfortable asshole. Opposite end acid reflux.
After eating about 50 hot wings you just might get a case of the U.A.'s
by Nostalgic Nug June 03, 2010

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Top Definition
UA
U/A (Noun)-A Urine Analysis taken by an addiction counselor. It can also be used when taking a drug test for employment but it is not recomended due to the nature coming from Drug Abuse Centers.
"Hey dude, do you mind if you pee in this cup for me? I have to take a UA this afternoon."

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UA
The University of Arizona
UA won the NCAA March Madness in 1997.

UA and ASU compete in the Duel in the Desert!

UA is Arizona's First University.
by Chizhi Worm April 27, 2009

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UA
Universe Alterations
When your characters in fanfiction are in the exact same universe as cannon but you’re altering just a couple of plot points or a few character traits
This fanfiction has slightly ooc characters so it's an UA.
by Bluewolf18 July 05, 2014

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Ukulele acquisition syndrome. The uncontrollable urge to purchase multiple ukuleles over a relatively short period of time.

www.ukuleleunderground.com - visit this site's forum for more in-depth examples
'Oh man, i've spent this month's rent money on a new Kala Tenor... I think we're gonna get evicted'

'You've got severe U.A.S, you need locking up'
by ukeshale April 07, 2009

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UA
Marine Corps and Navy abbreviation for Unauthorized Absence. Army personnel say AWOL. Going over the hill. Slacking, skyving, shirking your duties.
Where's Pvt. Schmuckatelli?
___He went on a bender this weekend. He's UA as of 0830 this morning.
by Bravo Papa July 10, 2008

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ua
n. Unique/Universal Answer. Not expressed in a emotional way.
Metrosexual: Inge sucks emo dick.
Rocky Point Dude: UA.

Fito: OMGWTFBBQROFLMFAO!
Fimbres: UA.
by Alejo Gastelum September 19, 2006

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