1. A metal device that opens or closes a lock
2. A Set of characters, when entered into a software program, unlocks locked features and removes annoying nag screens and trial limits.
3. to scratch up one's vehicle, using a key to do so.
1: Damn it, where did my keys go
2: Someone have a key for Windows 98?
3: That fucking faggot pissed me off so bad, I'm going to key the shit out of his car later on
by [c0x0r] November 22, 2004
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means killogram. rappas use it when usually referring to coke. since coke is pretty expensice and valuable meassurements are important that why my keys is so important
Biggy "if it wasnt for the rap game/ id probably have a key knee deep in the crack game"
by PISA December 2, 2004
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Hey man that shits good let me get another key.
by mr. nice guy February 17, 2005
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when something is bug facts. its a key point
me- there’s no such thing as an n word pass. you dont get a free hand at being racist. thats like saying a pedophile can have sex with a child because their parent said so

my bff- man that was key af
by jsb01 October 12, 2019
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1. a kilogram(typically of illegal drugs)

2. important, central to something
he was caught with a key of cheese(cheese being a slang term for a mixture of heroin and cold medicine reportedly localized to Texas).
by Light Joker May 17, 2007
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One that looks approximately 5-6 years older than one actually is.
"Yo, is that Key?"
"Yeah."
"Mang, what is she, like 14+5?"
"Naw, man, just 14."
by Lumi January 5, 2004
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yo that line I laid on that girl was key. uhhhhhh
by generikal.com April 24, 2003
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