What is S.u.?
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SU (said 'S-U', not 'sue')stands for socially unacceptable. It is mainly used as an interjection or adjective to describe things that are socially unacceptable, weird, bizarre, or simply inappropriate in a give situation.
Did you just ask that complete stranger to rate your ass? S.U.!
That girl is such a freak. All I have for her are two words... S.U.
See
Random Words:
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Aka shemale.
Only has one hole in the nether region. Missing a vagina, still has the penis attached.
First Guy: "Wow man, she&apo..
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v. The act of mooning your grandma's cousin five times next to the statue of liberty
"Oh Joyce, your son is inkslindering me!..