Definitions by AlexHCM

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