griminal

People who respond to lighthearted comments or harmless jokes in social posts with earnest scolding, thus attempting to steal joy. Grim criminals.

Coined by author Deanna Raybourn, on Twitter, October 2021.

"These griminals would not know a joke if it up and slapped them. I'm going to wear out my blocking finger."

Griminal

is a a criminal but in grime slang

I'm a griminal