slippery balloon Share definition Flag When you wake up following an evening of anal sex with a used condom in your ass. A.K.A. "the crying Johnny" I went to scratch my balls and to my surprise I discovered a slippery balloon. slippery balloon by Justin Sturges February 3, 2006 0 0 Get merch Get the slippery balloon mug. Buy Now — $32.95 See more merch