Top definition
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 niggah skye June 12, 2006
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2
To Enlighten people of you're Grand excitement or to show your dominance
ME:(walks into room with friends) YEAH BOI

Friends: OH SHIT!
by saltmaster April 13, 2011
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3
when youre very excited or happy of something and the only way you can express yourself is by saying "Yeah Boi"
person 1: Do you want some mcdonalds?

Person 2: Yeah boi
via giphy
by iluvdrayke October 20, 2017
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4
1. A word used to express excitement, appeal, agreement or satisfaction.

2. yes boy
"Dude, my parents are out of town, PARTY!" - "Yeahboi!"

"Yeahboi, that fat chic moved, now I don't have to look at her blubber!"
by milkymertz January 12, 2008
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5
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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Get a Yeah Boi mug for your Facebook friend Helena.