Top Definition
sxu is the opposite of sux, so it means you totally pwn people.
omfg! that 1337 guy sxu!
by UndeadChocobo January 24, 2005
When somebody gets owned or is just a retard named timmy. Sxu can be used in every sentence.
omfg mothball! u sxu!
by Toofy January 13, 2005
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