Grumper

An especially hot and steamy shit. Grumpers often leave you very sweaty and exhausted. They're mostly taken under less than ideal situations like port-o-johns and bar bathrooms.

Man I was tailgating on Saturday and I had to shit some fierce. I went to the port-o-John and dropped a fiery grumper. My asshole was never the same.

by Alexdlegit March 25, 2017

Grumper

A very humorous word for poop.

Damn it, I just stepped in the biggest pile of grumper!

by benwad934 March 30, 2004

Grumper

A new social networking site that is growing in popularity. Where the Internet goes to complain. www.grumper.org

I posted a grump about swine flu on Grumper. You should check it out and grump it.

by Asyra June 10, 2009

Grumper

Addictive website where you can complain about things that annoy you.

I like to use Grumper.org all the time!

by SexualVegan6Love9 June 28, 2009

Grumper

Any toilet, outhouse or fecal collecting area.

Drew just laid a lincoln log in Cab's grumper.

by Phartman February 28, 2013

Grumper

A decorative bumper commonly found on Jeep Wranglers that combines a bumper and grill. A must have bolt on part for any JK mallcrawler with 20"+ wheels that wants to distinguish themselves from the standard "Angry Eye" jeep.

"Kyle just dropped $1500 on that new Fabfours Grumper, friggen shame he he didn't spend it on lockers, eh? "

by Hokenstad July 30, 2019

grumper

A defecation that requires mass force to expel.

Oh man, I can tell this one is going to be a real grumper.

by John Clever November 27, 2002