preceding exclamation made to show the pain on any part of the body that you have just hurt

a mix of ooh and my = uma
After walking into table side and hurting one's manhood = uma cock!!!
by ebuygum April 22, 2009
A woman/girl that you either find EXTREMELY hot or EXTREMELY ugly due to her unconventional beauty (by American standards) and alien-like characteristics, like that of Uma Thurman. An Uma is also most likely to be a butterface.
Bro #1: "Yo man- dibs on the redhead with glasses!"

Bro #2: "Are you fucking kidding me? That bitch is a total Uma! She's all yours bro."
by Captain American't December 08, 2010
To beat someone up. From Uma Thurman's character on Kill Bill.
I'm gunna uma you after school
by me March 21, 2005
In Japanese, it means "Horse".
Watashi wa uma suki.

(I like horses.)
by Ben2028 July 08, 2009
ugliest man alive
nathan UMA stewart
by stew2222222222 September 16, 2008
An extremely stupid person.
You uma, i said juice, not jews!
by Dapai August 22, 2011

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