look up any word, like blumpkin:
 
1.
When a womans cunt is so fat it sags, and forms like a cuntchin.
Hince: cunt+chin= cuntchin
"DUDE! her pussy was so floppy from her cuntchin, I had to hold the lips back to get it in."
by Mrs. JCC0312 January 17, 2008
 
2.
a term used to describe someone who has just licked a cunt, and has distinct cunt smell on their chin.
chris "that was so yummy " - (refering to cunt licked)
adem "was it? (licks chrises chin) you're right it is yummy, i can taste it on your cunt-chin"
chris "man thats fucking rank!"
by its-so-yummy November 11, 2006
 
3.
someone who has a cleft chin
My god that movie star Kirk has such a cuntchin.
by Wayne Cornish November 03, 2007