Cumnacho Share definition Flag A Cumnacho is a female that does extremely slutty and/or revealing things for likes or attention. "Nah bro, she's such a cumnacho." "She's starved for attention huh, must be a cumnacho." Cumnacho by Ganondork II June 2, 2014 0 0 Get merch Get the Cumnacho mug. Buy Now — $32.95 See more merch