Acronyms dictionary GBO What does GBO mean? GBO is an acronym standing for Go Big Orange, the motto for the athletic teams of the University of Tennessee. Examples of GBO Hard to believe it's been a year! Congratulations to all the new UTK grads and welcome to the @tennalum family! #GBO @PaytonMarie03, May, 2018 Thank you Vol Nation for all the love,support and comfort over the past 4 years. Im blessed to be able to play for a amazing university. GBO @datkiddRobert, March, 2017 STAT OF THE NIGHT: @ZachLingo10 14 strikeouts are the most by a Tennessee pitcher since James Adkins also fanned 14 at LSU on April 27, 2007. #GBO @Vol_Baseball, May, 2018 SEE MORE EXAMPLES Who uses GBO? University of Tennessee Athletics Just Added shelfie, ACAB, Karen, BIPOC, Juneteenth Note This is not meant to be a formal definition of GBO like most terms we define on Dictionary.com, but is rather an informal word summary that hopefully touches upon the key aspects of the meaning and usage of GBO that will help our users expand their word mastery.