Top definition
Made up body part found in some Pharmacology books. Often associated with "Tennis Elbow".
"Usu" has not been found in any other text book as a real connective tissue.
"Tennis Elbow affects the lateral epicondyle of the humerus and the usu."
"I have never heard of an usu muscle or bone."
by D4dd November 15, 2017
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Sep 6 Word of the Day
Style with Ease
Damn that was a steezy ass kickflip son!
by niggaliciouszor April 29, 2007
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Hey, that guy said usus.. (?)

Ah, he must be yoda.
by barry_shrav_sur August 18, 2011
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Origin: Some dumbass abbreviation the screwed me over in English class.
(I later realized Usu. means usually. Like WTF man?)


Definition: Now has been revised as slang, type of swear, considerably Chinese of Jap, whatever the fuck you feel but! Use it how you like.
Guy: Im'ma go usu shit on your ass!
Dude: fuck a ninja!
Guy: Run bitch run!
by Fensty January 17, 2009
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