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.
Some one of an extremly sexual nature, that you just wanna throw down and stick your face into (like a cute little ducky or a yummy muffin combined), or can be used as a pet name for a significant other
MAN thats one Duckface cuntmuffin!!!
Mornin my little Duckface Cuntmuffin