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
the act of precipitating saliva out of one's mouth, usually by a dog
Sanford the bulldog grumps a lot on the sidewalk.
by Theebag October 14, 2006
Cole Sprouse
Person 1: Cole is a grump
by imsofab October 23, 2012
The act of kissing, possibly groping someone but there is no evidence to prove it.
I grumped her I did
by grb2011 October 29, 2011
To take a dump while walking.
I was walking back from school the other day, and I totally grumped. It was epic!
by nom du plume January 11, 2011
adj. Something that is totally awesome
Dude this Burrito is totally grumps yo!

That shit is Grumps!
by Willmerson September 07, 2007
The act of placing ones bare ass on a subject's face while said subject is sleeping.
"Mark fell asleep with his shoes on, so Jason grumped him.
When Mark woke up, he was visibly upset."
by SneezeFart July 21, 2013

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