"buy" is the dance you do while you download music off the internet.(usually in an illegal fashion.)
Btw, I'm doing the "Buy" while I download music XD
by Michigan Man March 12, 2009
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The most boring thing anyone could ever possibly conceive of.
"Hey, check out my new Brita water filter. Go ahead have some water - it tastes so good."
"You're so Bui."

"Hey, you wanna go out to eat?"
"No, I'm gonna stay here and study for my exam?"
"When's your exam?"
"In 3 weeks."
"You're so Bui."
by Brett Hendar March 7, 2009
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A nasty scam we used to pull on new employees when they got thier first full paycheck
Dude, it's payday! Come on down to the bar, it's buy-in!

I'll be there....What's buy-in?

You're buying the first round. See you there.
by KillAllHumans September 16, 2004
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A wonderful blowjob that is often given to a man by a man.
I got this bitchin bui last night from my bro.
or
God I need a fuckin' bui
by Elementop July 12, 2007
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oh yea kalea was totally cappin ong I was not buyin it.
by Jus1rj November 15, 2019
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End-of-sales goods
Hurry and catch the by-buy.
by Hercolena Oliver September 7, 2009
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1. Blogging under the influence of alcohol or drugs.

2. Barfing under the influence of alcohol or drugs
1. I was BUI last night. I woke up this morning and realized that what none of what I wrote made any sense...

2. Each time I have tequila, I wind up BUI.
by Spunky Union May 5, 2007
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