When you secretly
plant pubic hair (preferably from the crotch area) into an unwrapped ding
dong, wrap it back up as though it has never been unwrapped, and give it to a deserving douchebag to unknowingly
eat.
also used as an insult to call someone.
abbreviation: cunkmuff
1) We
just gave the birthday
boy the last ding
dong, but little did he know it was really a cunkmuffin!
2) shut the hell up you cunkmuffin!