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."
by AlexHCM April 27, 2013
Get a GBU mug for your cousin Rihanna.
girl 1: I heard she gets with every guy she can

girl 2: she's apart of GBU
by Supercali February 03, 2020
Get a GBU mug for your fish Vivek.
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.
by OrgasmicOnion October 31, 2018
Get a GBU-10 mug for your friend Riley.