BK is used all over in the gamer world, refering to the phrase "Bad Kid." It pisses people off on Xbox Live and other systems when called a BK.
Synonyms: Noob, Unexperienced, Suck.
"SIT THE FUCKKK DOWN BK!!!"
"LAWL! You should just snap your disk, BK."
"lolzzz wow i just raped jordan 1v1...what a BK."
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