Ninchin

Description of a person who has a divoted chin. Name derived from the crossing of 'ninja foot' and 'chin'. See also "Grenade Chin".

Matty has a ninchin, you could hide a roll of dimes up in that bitch!

by ketelred February 11, 2009

Ninchin

An individual with an under bite.

"That new girl with an under bite is a ninchin." Girl- "I'm not a ninchin!"

by digitaldp September 25, 2019