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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When English learners (and those idiots who don't want to learn) want to say "bought", which is the past tense of buy.
FakeEnglishGuy: He buyed this laptop.
Person: English mofo! Do you speak it?
by justDC September 21, 2017
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the past tense of buy that only idiots use
big man me i buyed dem ting form the man dem
by dodgy afghan November 1, 2020
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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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BUI stands for Browsing Under the Influence. This is similar to DUI for driving. BUI is a situation where a drunk person is having a great time browsing the internet and having fun.
Jacinda: What are you doing? Wanna come over to my place to watch some TV

Santosh: Sorry but I am BUI!
by SantoshGeorge March 7, 2009
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