Guncher

The crevice created where the buttock meets the top of the thigh.

There is toilet paper stuck in Shana's guncher.

by Holly Minich February 29, 2004

guncher

gunching is when you felch (anal sex then suck cum out of butthole) then make out with it like its gum.

Jordan and Henry gunch all day!

guncher

by you gunch hard November 20, 2010

guncher

Scrape from a fall often from riding skateboards in the early 80's.

I fell in the halfpipe and have a huge guncher on my knee.
I gunched my elbow.

by Dax Bedlamb June 29, 2020