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1.
A crip
a blood killer is a crip that kills bloods or, a crip that dont like bloods or, just a crip!
by YungChoppa May 21, 2009
 
2.
a term some crips uses to identify themself as, because of the well known crips vs bloods war
it's often shortened down to just bk and might be used in alternative ways to spell some words
Blood Killer in a sentence: yo man, that nigga from the bKlocc bKilled some bKitch ass punks!
by iTeeheeman July 27, 2009