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Short for "Under Boob Incident." Usually used when referencing a drunk person's marginally scandalous adventures with the base of a woman's breasts.
"Man, Tony was giving out UBI's like he was Santa Claus last night. Boy was he WASTED."
UBI by Aquanetta_Teal September 2, 2015
Related Words
you'll be alright (typically pronounced, "you bee ite")
friend 1 "my boss just fired me"
friend 2 "ubi"
ubi by loxy music July 1, 2023
Nightclub in Tavira, Algarve (the best town in Portugal).

Discoteca Ubi & Bubi Bar

Rua Almirante Candido Reis - Antiga Fabrica Balsense
8800-000 - Tavira
All the other bars are closed.. lets go to Ubi's
Ubi by __. March 4, 2007
Latin word for "where" or "when".
Latin - Ubi est Marcus?

English - Where is Marcus?

Latin - Ubi gladium accipio?

English - When do I receive my sword?
Unexplained Beer Injury
UBI - Unexplained Beer Injury when you go out get wasted and cant remember what you did and wonder how u cut ur hand open!
UBI by Alistair Blowes July 2, 2007
Unidentified Beer Injury - Injury sustained whilst drunk. Usually discovered the following morning with no recollection of how it occurred.
Man I must have been hammered last night. Got loads of UBI's.
UBI by Effeoh October 24, 2014