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Result of developing body odor after playing "Call of Duty: Black Ops" (or any of the other games) extensively, without any breaks.

Not to be confused with the abbreviation of the latest edition to the franchise.
Dude: Awww, it smells like a Kanye album in here

Guy: Damn, Steve's got some Call of Duty B-O! What the hell, did he forget he had a bathroom all together?

Steve: Don't judge me.

by King Mirus November 09, 2010
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