GBU 

Short for God Bless You.

Bob: I just crapped myself.
Billy: GBU.

GBU by mr. al September 8, 2006

GBU 

George Burns Unit: a Unit of Time comprising 100 years, named for the actor and Vaudeville comic George Burns, who attained 1 'GBU'. Additional or lesser time can be represented as a fraction of 1 GBU.

"It's been just over 1 GBU since the Titanic sank."

GBU by AlexHCM April 27, 2013

GBU 

girls be up

bob: what does GBU mean?
bobbiana: girls be up

GBU by kcecevthth5799 November 18, 2022

GBU 

gang bang university

girl 1: I heard she gets with every guy she can

girl 2: she's apart of GBU

GBU by Supercali February 3, 2020

GBU 

Acronym for a podcast, Grizzly Bear Underwear.

That last episode of GBU was hilarious!

GBU by DaniJuly January 19, 2022

GBU-10 

A laser guided 2,000lb bomb. Also known as “2000lb of go-fuck-yourself”.

The pilot just dropped a GBU-10 on those motherfuckers! They ain’t shootin’ At us anymore.

GBU-10 by OrgasmicOnion October 31, 2018

gbur 

Doing Gbur means drinking excessive amounts of alcohol and fainting/ having to go to the hospital

We do gbur tonight boys?
Last night I went full on gbur mode

gbur by boss172736 April 12, 2019