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

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

Gruover

Gruover is when something catastrophic happens, and for no context for any fucking reason references the fuck-up deadbeat dad "Gru" from the hit 2010 film "Despicable Me".

Guy 1 : I just lost my job
Guy 2 : Oh no! Your life is Gruover!

by u/awkwardtheturtle April 18, 2023

grumpster

Grumpy hamster. A term of endearment for a moody person.

My boy is such a grumpster!

by shaeristina June 8, 2017

pump a grumper

to take a huge hard dump

damn im never gonna hti a mexican buffet liek that again, i had to pump a grumper really bad ten minutes later

by collinD May 30, 2006

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

1. A grumpy person 2. Totally lame.

1. Did you hear Denise whining about her hair? She's a total grumper.

2. No more pudding cups? Grumper!

by jatty July 20, 2009