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5.
Blow(s) Ass
That was some blass game.

That's Blass.
by Lazer November 27, 2001
 
1.
Short for bootyliscious ass. Specifically referring to a bangin' white girls ass.
Damn! That Brit has the most Blass in London.
by mulletman February 10, 2012
 
2.
an insulting term used for a person who is acting childish, arrogant, rude, or just plain annoying.
"yo, shes mad blass with it."

"that boys a straight up blass."
by aliandtoriTC August 16, 2009
 
3.
Slang term shortened deriving from balls and ass. Often refering to an odor.
"Damn, it smells like BLASS up in here! Someone needs to wash there ass!"
by Steve-O July 05, 2003
 
4.
A term that describes the rear end of an average african american female. Synonomous to ghetto booty or black-ass. Shape is usually round and large in diameter in proportion to the body.
J.Lo has a nice round blass to shake on that music video!
by Lam T. Ho August 01, 2007