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51.
in california state prisons who ever has the keys of there race is the shot caller. or man in charge of his people. it derives from the act when your race wars with another race, or rides. when you ride, your at war.

also in california state prisons, there are basically 4 races that stick with each other... whites, southsiders (mexicans), northern mexicans, and blacks. each race is called a car, hence if your calling shots your driving the car, hence you need the keys to drive.
an inmate that might roll up on the yard and ask a fellow inmate "hey who's got the keys here"?
by siks66 December 12, 2006
 
1.
key
Kilogram, usually refering to narcotics.
I almost got busted with 2 keys in my trunk.
by Hell4aHuslta January 24, 2003
 
2.
Key
The campest man in K-POP (after Jokwon) but also one the sexiest and most amazing.
Best guy at dancing girl group dances.
Key - "You look b-ee-zar"
Amber - "What?"
Key - "Leez-ard"
by Mrs Mcdonald. October 24, 2009
 
3.
Key
see "Diva".
You're such a Key.
by shiningshawol November 12, 2010
 
4.
the correct way to spell it is ki's, bue everyone that submited a definition is a fuckin idiot so i had to put them in thier place. But a "Ki'" is short for Kilogram of yayo,Cocaine,Cociana, dust or whitegirls or whatever you would like to call this particilar drug.
Tony- forget about fuckin 13.5 a Ki Sosa, what are jou, fucking nuts?
Omar Sosa- well what would you propose that is reasonable?
Tony- 10.5 a ki' and jou gotta take dat chit to Panama
by KevinNutz December 22, 2003
 
5.
key
A key is a kilo of Coke a key is worth 20 g's real big money making if you own keys
1.Ayo crosby just sold off 1 key to Big J yesterday right?
2. During the drug bust cops raided my crib and found 2 keys under my bed
by Brick City** March 09, 2005
 
6.
key
just perfect... one of those things that would make you a whole lot happier at any given time
a big mack would be key right now
by mstar June 26, 2003
 
7.
it means kilo, as in "keys of coke," not as in "keys to a car."
by Anonymous August 20, 2003