Blood Killer 

A crip

a blood killer is a crip that kills bloods or, a crip that dont like bloods or, just a crip!

Blood Killer by YungChoppa June 27, 2009

Blood Killer 

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!

Blood Killer by iTeeheeman July 27, 2009

Blood Drill Killers 

A gang of fuckstick shitskins in Melbourne’s western suburbs. They suck their mothers cocks and lick the shit from each other’s eggplant coloured assholes.

Hey nigga, those Blood Drill Killers, or BDK, are the shit The shit from my ass!

Blood Drill Killers by Itoldyadontfuckwitme December 30, 2018

Bloody Helen Keller 

When you're fisting a woman on her period, while doing sign language with the inserted hand.

If you're dating a blind girl (having her period) and she wants you to talk dirty to her while fisting her, the only way to do this is by the Bloody Helen Keller.

Bloody Helen Keller by Ace Feely January 28, 2007