The act of making an exaggerated frown in the shape of an upside down "U." Often used when someone is being ridiculed in a joking situation.
by mmoneh November 16, 2011
"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 July 31, 2017
To be actively grumpy, in such a way that the person in question is actively making an effort to be grumpy and, moreover, express that grumpiness.
by BTKD February 28, 2011
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 20, 2011
A nickname that is commonly used for Grandparents and Great Grandparents. The name generally is used for attractive great grandparents, who are with younger women or men.
by Char777 February 01, 2019
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
by meempants September 06, 2002