groumpy 

Exceptionally athletic. Able to perform incredible feats of strength and endurance.

Did you see the olympic sprinters? Man, they're absolutely groumpy.

groumpy by thatOtherOtherOtherGuz April 28, 2010

Dropped a Grumpy 

Dropped a turd; passed your bowels

The party was raucous. So many stoned people! Somebody even "Dropped a Grumpy" on the bed!

Dropped a Grumpy by talk2me-JCH2 April 20, 2022

rip a grumpy 

to take a shit

a soon as i finished my coffee iran to the bathroom to rip a grumpy

rip a grumpy by havalaf October 5, 2009

Grumpy bomb 

Dropping explosive negativity on an otherwise neutral or positive conversation.

We were sitting around the table having a nice conversation about all the great movies out right now when Leila came in the kitchen and dropped a grumpy bomb on us.

Grumpy bomb by AYYFRON January 17, 2011

dropping a grumpy 

A polite way of saying that you’re shitting a massive turd. One of which causes you to make an angry face.

After eating that second helping on taco Tuesday, Jeff was in the bathroom for a good hour dropping a grumpy.

dropping a grumpy by anonymous July 1, 2021

Dump a grumpy. 

To defecate.

Every morning I dump a grumpy.

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.

take a grumpy by mangus May 24, 2004