flex a grumpy

To take a shit outdoors

That burrito is kicking in. I'm fit to flex a grumpy.

by agroman2012 October 11, 2011

grumpy ana

An anal explosion, usually from a female, done on purpose despite pleas to the contrary.

This room reeks, my bitch girlfriend just dropped a grumpy ana.

by allwhites November 11, 2011

Grumpy gills

An adult man who is not usually in a good mood
A manager usually at an Italian restaurant who’s employees are annoying

John

Are you mr grumpy gills?

Why are you mr grumpy gills?

by Dubai shy April 30, 2019

grumpy shorts

Leg dressings that accommodate the sole purpose of pissing off the wearer.

Someone's sure got their grumpy shorts on today!

by Thrumper84 March 4, 2009

Grumpy Pumpkin

Someone who is in a fowl mood

Adam lost his poker game so he was a Grumpy Pumpkin

by Miss Jenna December 3, 2005

Grumpy Pie

A Panda or a Noob who is constantly crying over little things, but they mean more to the person. A Grumpy Pie can also be a little cutie at times.

Boy "why are you in a bad mood?" :S
Girl "that time of month" :/
Boy "ahh such a Grumpy Pie" >=@

by Honey Bear 06/12/11 November 29, 2012

Grumpy Munchkin

Where a woman is taking a fat ass shit, whilst she is being eaten out. Similar to the Blumkin but the roles are reversed.

Come on in here baby and give mama a grumpy munchkin. Don't let that tongue slip!

by D-Dogg77 January 28, 2010