sleep-o-gasm Share definition Flag A sleep-o-gasm is an orgasm in your sleep, and you dont know wot happened.. Jimmy:Snore....Snore.....Splat! Next morning.... Mom: O My God! Jimmy! u had a sleep-o-gasm sleep-o-gasm by Chav Punisher June 13, 2005 0 0 Get merch Get the sleep-o-gasm mug. Buy Now — $32.95 See more merch