BK

blood killer or brooklyn..but mostly blood killer dun kno

dun kno BK all day eryday

by LocMamii April 26, 2006

BK

bk short for bad kid,used on many online games such like halo 2.

there was a "bk" on my team so we lost the game.

by dogeyedave July 14, 2006

BK

bk stands for a buzkill or someone or something that kills the fun. BK's are usually found making awkward interjections in a conversation that makes everyone in it want to leave.

kevin-"dude last nights party was so funny"

BK Yona-" oh yeah totally man, thanks for inviting me, god i have no friends"

kevin-".... what a BK!!!!!"

by Da bitch takumi November 8, 2011

bk

Boner Killer. A person, image or situation that kills your boner

dude, that ugly chick was a total BK
learning that i had 4 exams that day was a wicked BK

by the manmeister July 19, 2007

bk

it means British Knight, brand wearing by Crips and that got for initial BK like Blood Killa

by BusyBoy April 21, 2003

BK

Bad Kid, a bad kid is someone who isnt good at there respective postion(s) in life. such as xbox or athletics

Wow these kids are BK's. Hey man your such a BK just give up.

by Hasselhoffman February 15, 2009

BK

A noob or novice that has no skill in the said game. (Bad-kid)

That kid doesent even know how to play! what a BK!

by Scott P, Jake L February 20, 2009