gerundical 

When a gerund is used to describe something as a bad pun. Will be usually used by your English teacher.

Student: So a gerund usually ends in -ing?
Teacher: Yes, they are very gerundical words.

gerundical by AlexIsAStupidChicken May 6, 2018

grundicular

: of, relating to, or designed for grundles

: caused by or resulting from the operation of a grundle

He had many issues shaving in the grundicular region of his body. He felt it was too sensitive.

grundicular by GuBostonDubs September 6, 2014

grundicle 

when your taint sweat freezes to your ass hair

I got grundicles after I walked home from the gym

grundicle by taintman69 February 4, 2010