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1 definition by AlexHCM

 
1.
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."
by AlexHCM April 27, 2013