Champagne Cock Share definition Flag Similar to a champagne birthday, its the N'th guy a female has sex with where N is the day of the month you were born on. Sully was my champagne cock, I'm born on the 11th and he was the 11th guy I've let inside me. Champagne Cock by sexdeviant November 27, 2012 0 0 Get merch Get the Champagne Cock mug. Buy Now — $32.95 See more merch