Dump a grumpy.

To defecate.

Every morning I dump a grumpy.

by Archibald H. Wigglesworth December 17, 2008

take a grumpy

The act of having a bowel movement.

You better pull over, I need to take a grumpy.

by mangus May 24, 2004

Punching a grumpy

The act of speed shitting when you are pressed for time.

As we approached the gate for our flight, Earl ran off to the restroom and was punching a grumpy.

by Punchline67 May 3, 2006

Taking a Grumpy

A fun way of saying you gotta poo.

Hey old gregg! Im taking a grumpy!

by Khlidy May 24, 2019

Grumgy

A future version of the late night show host Jimmy Fallon known for his well known roles in Disney and Harry Potter movies. Known for his awkward nature and odd smirk from laughing too much.

Jimmy Fallon got the character Grumgy every time during his Instagram filter segment of his late night show.

You’ve been laughing far too much, you’re starting so seem a little Grumgy.

by GrumgyGuy January 10, 2020

Grumpy Gerbil

a middle aged man who is a social studies teacher you HATE. he is annoying, unfair, and rude.

me: *goes to the bathroom*

Grumpy gerbil: WHERE R U GOING!!!!! NOOOOOOOOOO YOU ARE BADDDD

by thisiswhomadethis <3 May 13, 2021

Punch a Grumpy

The act of taking a really mean dump.

I actually have left partys because I had to "Punch a Grumpy"

by Vegas March 23, 2003