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1.
Another word for sorry.

The word used when you want to rub a victory in someone's face.

A stronger version of the word "sorry" used after burning someone or getting a victory.

A bastardized version of sorry.
Hey Jim, I heard that girl you met never called you...Salby!!!!!!

Greg beat Dennis at Sega Genesis Madden football and said salby!

Hey Jim, I heard she likes jello poopy pops....Salby!
by cheeks1128yahoo February 15, 2010
 
2.
an apology... i'm sorry
the police officer said salby won't cut it.

so salby you're ugly!
by thetragicthree July 21, 2006