Kickass Son of a Bitch. Extreme guy/girl with no fear at all.
George: Tom Cruise is such a K-SOB in "Mission Impossible".

Ben: Yeah but now he's a faggot.

George: Word.
by Woodyhurtz June 24, 2010
6 Words related to K.S.O.B.
Top Definition
(Krazy Sons Of Bitchez) A teenage film group that creates comedic videos based on movie spoofs, music videos, and anything funny.
"Did you see K.S.O.B's new movie!"

"What's a K.S.O.B.?"

"Krazy Sons Of Bitchez, duh!"
by shinyman14 November 16, 2007

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