2 definitions by GRUMP.DUMP

grump dump

A "grump dump" is when a person or place is really down in the dumps. When one is not feeling good and is just grumpy all around.

Person 1: ugh, I hate math class!
Person 2: ay stop being a grump dump at least we don't have a test!

by GRUMP.DUMP February 18, 2017

An acronym for “sleepy bitch disease”
A joke/ phrase the orginated on Tumblr as a spin off of an STD.

Oh look at him looks like hes got SBD.
It’s two am watch out SBD might get you.

by GRUMP.DUMP June 21, 2018