Flava flav's slogan. you can say it anytime.
boi=boy
"are we going to the clubs tonight?"
then you can say "YEAH BOI!"
Or
When you see a girl with a hot ass, you can also say
"YEAH BOI"
but you have to shout it out!!!!
by Skye June 12, 2006
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Used to express certainty or willing to along with something without properly thinking it through. Often only used to respond to close friends, or rather your weirdo friends/homies. Frequently elongated when spoken e.g Yeahhh Boiii!
Dayna: Want to go see Bowling For Soup at Rock City next week?

Sarah: Yeah boi
by SpecBall February 23, 2018
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A cringey, weird thing people say when excited or pumped or... Whatever
by Uhmmmmmmm idk October 31, 2018
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Flav-o-flav's famous catch phrase signifying that things are all good, but if it is said really slow with a low tone, it can be used sarcastically to indicate that you really dislike something....
(yeah boy) yeeeeeaaaahhhhhhh bbboooooyyyy I'll take the oon-call pager for the weekend...

(yeah boy) yeeeeeaaaahhhhhhh bbboooooyyyy I'm so glad that the chick I took out last night was really a guy...
by E-ROCK123 October 15, 2009
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an exclamation with your mates when u get a hot girl's number
P1: so? what happened, did it work?
P2: Yeah Boi!!
by shizzle ma dozzle October 9, 2007
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yeah boy!! is commonly known in the borough area of london, specificaly in the rose and crown pub.

it describes a feeling of want, happiness and excitment after drinking a pint of cool aid and eating a plate of pigs feet.

i love pigs feet yeah boy!!!!
JOHN - ...........ALAN DO YOU WANT A BAG OF PIGS FEET?

ALAN - .....YEAH BOY!!!.............I LOVE PIGS FEET!!!!!!!!
by ALAN MULLINS April 5, 2006
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