look up any word, like hipster:
 
2.
A particulary difficult yet ultimately satisfying bowel movement.
That was a hell of a grump I just took.
by meempants September 06, 2002
 
1.
noun: when you shit on the ground. grump = ground + dump
When doodie calls and there isn't a bathroom around, take a grump.

Backpacking ventures almost always entail grumps.
by thebelgianbomber February 08, 2014
 
3.
a certain state of mind characterized by grumpiness and a generally disagreeable demeanor
Reia spilled her beer all over her self, and was grumps for the rest of the night.
by manfriend July 03, 2004
 
4.
“A mythical Creature so elusive that to actually see one would bring untold good fortune” referenced in the movie One Week
I’m going to ride my motorcycle across Canada in search of Grumps
by I_M_CDN November 11, 2010
 
5.
To add an entry on Grumper.
I posted a grump today at Grumper.org, check it out!
by Asyra June 10, 2009
 
6.
1) the disposal of a bad attitude or exceptionally grumpy perspective. 2) The byproduct of general grumpiness
agitated venting girlfriend: "We never do what I want to do! We always go to all the stupid bars YOU want and hang out with YOUR friends and...OMG these pants dont fit me anymore?!! FML"

boyfriend: "wow...sounds like someone needs to take a grump"
by tfortso January 17, 2011
 
7.
A poo that requires a minimum of 10 wipes or 6 wipes + 1 cottonelle.
Oh man, i gotta get to the bathroom and grump before Im sittin in a puddle of mud.
by JGLOW June 19, 2009