bk
Short for "buzz kill". Things aren't going your way.
Guy 1 - That cop took my dank and said I could go home.
Guy 2 - You're lucky.
Guy 1 - Yeah, but it's a bk that I can't get baked before I watch the Passion of the Christ.
by Drew Carlson January 26, 2008

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BK
An acronym for Bad Kid. This has no relation to being a BA or a BAMF. This is the person that gets on your nerves and you just hate.
Go to hell you're such a BK.
by 2Fresh4U January 07, 2008

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bK
short 4 bLOOD KILLA...
used bY Cripz and anyone else who got dat beef wit slobz
( not used-->ima bk. its more like u rep bK)
yea its dat bK all day, dat slob was talkin shit-he aint know we was bK
by lilbabiiic June 26, 2007

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bk
an extremely bad kid. Usually used in the game of halo
wow ur such a bk! u can't even BXR n00b
by nish licker June 05, 2007

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BK
Methylone, bk-mdma- "molly", any other cathinone someone tries too pass off as something else.

A term
"Hey, jimmy i got some Molly".
"Jimmy puts on Reagent is really cathinones"

"hey wanna buy some BK" Is really 4-MEC.
by fubarpdx January 02, 2014

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BK
Buzz Kill
Shawn is such a freaking buzz kill for ruining the party last night. BK
by TokyoWard November 05, 2013

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BK
BK stands for bad kid. Originally deriving from the term Badus Kidus meaning someone who fails at school and english class and takes sophmore english even though they are clearly a senior.
The new kid...hes a BK. He jacked my seat what a BK.
by Nutty N May 04, 2011

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