bui 

person who pretends to be all pro but really is a complete noob

The kid said he was the best at Street Fighter, but when he played with his peers, he lost consistently. His friends called him a Bui.

bui by RatedR August 30, 2008

bui 

Function: adjective
Etymology: boo + -tay (as in booty)Date: circa 1986
1: junk.

thats some nice bui you got there.

bui by BUILICIOUS December 17, 2004

BUI 

"Boning Under the Influence" - Drunk sex, Similar to a DUI only it's when sex is involved instead of driving.

It's usually used when referring to the not so smart, careless, or stupid choices made when alcohol and sex mix.

friend: "I think I'm gonna bring him home after bars close."
you: "That's a BUI in progress!"

BUI by saramaeo August 9, 2009

BUI 

Boating Under the Influence. To operate a boat or watercraft while intoxicated. Can carry similar punishment and fines as a DUI.

Jerry powered a 12-pack and then took the ski boat out to spin donuts. The lake patrol noticed his erratic driving and gave him a BUI. What a dumb ass.

BUI by The Kegman August 20, 2007

BUI 

Boating Under the Influence. To operate a boat or other water craft while intoxicated. Can carry similar punishement as a DUI.

Jerry powered a 12 pack and then took the ski boat out. The harbor master noticed his erratic driving and gave him a BUI.

BUI by The Kegman January 2, 2009

BUI 

"Buying Under the Influence".

The act of shopping on the internet for often useless items while intoxicated.

"I can't believe I bought a dozen Snuggies last night. I was definitely BUI".

BUI by novax223 October 14, 2009

BUI 

Biking Under the Influence

I only had a couple shots, I thought I was okay to ride. But then I got popped for a BUI.

BUI by Wafflebender April 25, 2015