acronym for gay butt sex
by theocking May 21, 2008
Get the gbsmug. by splitdodge22 November 30, 2010
Get the GBmug. 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. An internet enclave on the Something Awful forums for the morbidly obese, and opinionated morbidly obese people. Also a place to post sob stories about your dead babies/parents/imaginary friends that nobody gives two fucks about.
by GU-la-G November 17, 2006
Get the gbsmug. 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.