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(1) The act of "coming out of the closet."

(2) Being caught totally off guard by the fact your supposedly straight best friend is actually gay.
Jim, Frank and I were about to go out for a night on the town with the ladies, however, Jim went straight Sulu on our asses.
by Stud McManly June 01, 2007
The Chinese Hahn Solo.
James T. Shatner: Sulu, what's the weather like?
Sulu: Tell Jabba I've got his money.
JTS: jambeetoolay
Sulu: (blasts him, "No Blasters! No Blasters! takes Luke, R2D2, C3PO, and Alec Guiness to "Alderon")
by T Dog Jenkins June 11, 2004
short for "super-looser"
"Why you hangin' with sulu?

To someone you detest: "Hey sulu, what's up?"
by edawg999 November 01, 2006