Sad Bellagio Share definition Flag To pass out in bed and urinate on yourself in a golden fountain. Anthony passed out in bed and urinated all over himself. He must have been holding it in because it looked like a Sad Bellagio. Sad Bellagio by Mount Cliterest January 8, 2015 0 0 Get merch Get the Sad Bellagio mug. Buy Now — $32.95 See more merch