After sex grumpy 

When your partner is short-tempered or irritable either immediately after or the next day after sex. Also referred to as "ASG"

Hey man what's with your partner today she seems cranky?
Oh she's got ASG! ( After sex grumpy )

After sex grumpy by Sirknows2little.2 July 16, 2022

Bust A Grumpy 

To ejaculate until you can’t feel your penis anymore

I was so horny yesterday I had to go and bust a grumpy

Bust A Grumpy by Mymomsinsane05 December 22, 2020

pumping a grumpy 

1. fucking the shit out of an old dude until he has a heart attack

2. tryin to insert your dick into a frisky squirrel.

"I caught that whore fucking my grandpa!"
"Yeah man, she was pumping a grumpy"

"Last night i was pumping a grumpy, and the mother fucker bit me"

pumping a grumpy by Big Jerms August 23, 2005

The Grumpy Chicken 

When your getting a blowjob and try to sneak out a fart that turns into diarrhea, and then you hold her head there and make her finish.

Susan was givin me a BJ and I thought I could sneak a fart out....turns out I was wrong. I had to give her The Grumpy Chicken.

The Grumpy Chicken by Spider 0895 July 27, 2010

Right in the grumpy 

To have anal sex with an unwilling female

then I put it right in the grumpy

Right in the grumpy by jmz667 May 25, 2007

Mix up a grumpy

To defecate. To take a shit.

Man, I really have to mix up a grumpy.
Hold on while I go mix up a grumpy.

Mix up a grumpy by Ixielixpiddish May 7, 2008

mister grumpy gills 

a boy who is naggy, sad, or mean. one who does not talk to his girlfriend when they are on the phone. likes to pout. used in the movie finding nemo!

ugh, zachary! stop being a mister grumpy gills! you big derk!

talk to me, mister grumpy gills!

mister grumpy gills by 90209zach! January 15, 2010