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A slang word and/or street name for heroin. (noun)
1) Ask your girlfriend if she knows someone selling boi since I’m new in this town. I’m starting to feel withdrawals.
2) I have some fire boi if you know anyone who’s looking.
Boi by BRADiN3M February 19, 2021
Related Words
boi boink boing boil Boise boii Boiled Boint boiii boiler
Boi is cooler way of saying "Boy".it adds MLG style to itself. So i could song You my small chatch phase i made as examlpe of correct usage of Word "Boi".

"
Its yo boi Rollin trollin over the Street,Being King of the Street.bois im godlike Here,its cause im reall BOI.
a lesbian-
The word 'b0i' has been part of lesbian counter-culture for some time now and is often used by lesbians to describe each other in the same way as the word dyke is used.
However, it has found its way into the mainstream creating confusion. It is a popular misconception that b0i means boy rather than one whi is a lesbian.
she's ma boi!
boi by Big badder t shank July 29, 2003
O boi faz Muu! (pt)-(en) The ox says Muu!
boi by Todesengel September 26, 2006
shit you say at the beginning of a roast
"Boi get your scrawny looking ass over here so we can beat your ass"
Boi by Bruh why me February 23, 2017
When someone uses a godawful roast and then the person getting roasted Says Boi!!! ( and then follows it with a forward hand palm)
The roaster: You look like a potato
The guy getting roasted: Boi! kid that's the worst roast I've ever heard ( Forward hand palm)