To be innocently treated like poop because someone is in a bad mood. (Verb) Similar to being "dumped" on with a grumpy flair.
by Not A Fan of Being Grumped On June 15, 2011

To have been put in a bad or grumpy mood by an outside force. When for whatever reason things in your environment have pissed you off.
by Byetor May 13, 2016

A motherfuckin' grumpy-ass dog. He's always grumping and being rude. He doesn't have anything to grump about (except maybe that our McDonald's doesn't have $1 McDoubles) but he continuously grumps. Also a cheapskate and is not forthcoming with kisses or snugs.
Zack: Hey let's go smoke synthetic marijuana!!!
Em: I can't. I have to take this Grump Grump to the vet to get this cone off his head. He's grumping about it.
Em: I can't. I have to take this Grump Grump to the vet to get this cone off his head. He's grumping about it.
by Emboslice August 23, 2011

When you skip a tutorial in a video game, and get stuck or lost in something the tutorial taught. A reference to Arin (Egoraptor) of the youtube channel Game Grumps, who would always skip tutorials.
by queephlosion December 16, 2020

When doodie calls and there isn't a bathroom around, take a grump.
Backpacking ventures almost always entail grumps.
Backpacking ventures almost always entail grumps.
by thebelgianbomber February 08, 2014

"Did you see tom and tracy grumping at jimmys party last night?" " dude I totally practiced grumping on my pillow last night."
by Og_grumper_69 August 01, 2017

by manfriend July 03, 2004
