sem

(n) Ebonics for the number seven.
"I keep it crunk twenny fo'-sem!"
by Lil Dre March 22, 2006
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semi

1 -(n.) Any semi-automatic weapon; semi-shots, smg's, etc. (pronounced "seh-MEE")

2 -(n.) An 18-wheeler truck (pronounced "seh-MI")

1 - "Semi's are only half as fun as automatics."

2 - "Aparrently a semi loaded with cocaine and doritos rolled over on the freeway yesterday.
by Lil Dre March 19, 2006
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peel a cap

To shoot someone in the head with a firearm: cuz if you shoot someone in the head while they're wearing a hat, you 'peel' their 'cap' off.
To 'peel a cap' in "Hood Took Me Under" by Compton's Most Wanted:

"This fool I thought was my homie, dropped a dime,
So I gotta peel his cap with the 9."
by Lil Dre March 19, 2006
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yay

Simply, cocaine, from the shortening of the misspelling of the pronunciation of llello, the Spanish word for cocaine.
From "Hopeless" by Ludacris:

Then my eyes turn red,
The sky turns grey,
Children slingin' white in the hood,
We call it "YAY!"
by Lil Dre March 19, 2006
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