A fork of Rural Dictionary
CHN is an abbreviation for Chronic Hard Nipples. It's most commonly used towards people who's nipples are always poking through their shirt.
Leah: Hey Josh, Do you have CHN? Josh: What? Leah: Chronic Hard Nipples.
Typically like a showdown, but instead of fighting, it's puns. Mostly using terrible jokes/dad jokes.
Robert: Looks like Mat and Hugo are about to have a pundown. Craig: Wow, I wonder who'll win?