chin skin 

The uncomfortable stubble rash on a girlie chin following a lengthy snogging session with her fella

Adele accused Nick of not shaving often enough when she realised she had chin skin for the 3rd time in a week

chin skin by Nicky July 10, 2006

skin chin 

A derogatory term for a man with no beard.

As a bearded man and hardcore faceist I could never trust a skin chin!

skin chin by Peepaw Beddard May 5, 2014

Chinskin

The skin in-between your bottom lip and the bottom of your chin.

One could use ones chinskin when pulling a joey.
Ones chinskin can end up saggy if one does not exorcise the chinskin by pulling joeys on a regular basis.

Chinskin by Bing Taylor November 20, 2006