LindsBos's definitions

Grumblin

A person who gives off “grumpy”-“gremlin”-“grumble grumble” energy. They may be outwardly projecting this energy onto others, making them somewhat unpleasant to be around.
Can also be used in the plural form, Grumblins.

Dave is being a grumblin right now, I’m not sure if he will want to go out with us tonight.

by LindsBos January 9, 2026