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.

Grumgy by GrumgyGuy January 10, 2020

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