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1.
Slang for arbitrary. Originated at the Indian Institutes of Technology (IIT), India. It is now a popular term among engineering graduates all over the country.
Typically used for strange or wierd.
1. It was a really arbit question paper. We had no clue whatsoever.
by Manas Saran October 24, 2005
 
2.
The action of slurping the small amount of soda that spills out of the can when one opens it.
Dangit, Sam, I can't hear the music over your loud arbiting!
by ROFLoctopus August 30, 2009