look up any word, like bukkake:
 
6.
su[
Yet another internet typo slang word. This one is for the word "sup", a shorter version of the popular greeting of "What's up?"
"Su, fool"
by JT May 03, 2003
 
1.
su
calling of the Wu-Tang Clan
On behalf of my crew, SUUUUUUUUUUU, Enter the Wu
Thirty-Six more deadly Chambers, to take you through
by killah beezz June 27, 2010
 
2.
su
nickname for syracuse university
SU has a really good basketball team.
by jpp133 November 02, 2007
 
3.
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.
by K,K&S April 07, 2007
 
4.
su
A way to say "Shut Up" on AIM or AOL Instant Messanger.
Person 1: UKFdhghgbvufbhdfbjk

Person 2: su

Person 1: =... wait what?

Person 2: ahahahahha
by sheelajdbnsauidb March 25, 2009
 
5.
s.u
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, werid, 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
by K,K&S April 29, 2007
 
7.
SU
Another way to say "Straight Up".
"TLPC is an awesome band"

"Yo SU"
by TLPC February 26, 2014