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Shortend name for the corporation Mitsubishi.
Dude, that Mitsu EVO just pwned your mom's VW Golf
by schwerpunkt June 10, 2005
The meaning of the Japanese name Mitsu is "light" or "honey".

*see also: Kaitlyn ;)
She legally changed her name from Mitsu to Kaitlyn.
by lucky kat February 03, 2010
1/ An uncontrollable jerk of the body, usually of the shoulder.
2/ my biffle
mitsu: HEY MAYURI!! wut's ulkasdjfhkjsa;dfkj
mayuri: wtf
mitsu: sorry i jus had a mitsuaskfj;slsakju
by woot woot toot toot May 18, 2008