game boy system (cover-up when someone asks you what GBS means, it really means gay butt sex{see entry 6})
Guy: Cole and Dalton had GBS with Bell and Layne last night.
Girl: What does GBS mean?
Guy: Oh, it means game boy system.
Girl: Ok, just wondering.
Girl: What does GBS mean?
Guy: Oh, it means game boy system.
Girl: Ok, just wondering.
by The Judge94(2) March 11, 2010
Get the GBSmug. by John ryan and Beau August 5, 2008
Get the gbmug. When two men fist each other so hard they die momentarily and then come back to life with permanent disfiguration to their bowels. This is Gay Bowel Syndrome (GBS).
by Dandercool August 2, 2011
Get the GBSmug. by Ramiro Gutierrez July 10, 2006
Get the gbmug. An abbreviation of ghetto blaster, otherwise known as a portable stereo. WARNING: may blast head off. Dangerously contagious.
I love G-Tay on the GB
by J-A-B April 9, 2007
Get the GBmug. 
