Genunchkin 

Fucking the space in between the upper and lower leg when a knee is bending.

People taking an oath of abstinence usually result is doing genunchkin.

Genunchkin by Marxist Badger August 25, 2017

gunchkin 

a big-headed doofus, usually having a deep voice and clumsy movements

Get out of the way you friggin' gunchkin, you're gonna mess everything up!

gunchkin by Dubberlang December 21, 2012

Grunchkin 

A very hot model

The grunchkin walked down the street

Grunchkin by Grunchkin February 2, 2021