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
by John ryan and Beau July 12, 2008
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 02, 2011
by Ramiro Gutierrez July 11, 2006
by BLazzedd March 26, 2011
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 02, 2007