grumpin

grumpin is the slang term for actively making yourself grumpy(to the extreme)

grumpin comes about while talking to Asians about big trucks, and fast cars (besides Toyota MR-2's)

grumpin by Bryan Harving November 4, 2007

Grumpin

A person in the act of or a participant of farting in bath tub. pool or body of water and catching tainted bubbles in mouth.

A person sets in bath tub lets one loose and bends down to catch fart bubbles in mouth. - Grumpin -

Grumpin by KSWingNut January 16, 2011

Grumpin

(verb) The act of vigorously passing a particularly stubborn bowel movement. Usually involves grunting and the straining of one's sphincter. See also: Constipation

I hate when I'm in the bathroom at work and someone is grumpin' out a gnarly deuce. Gross...

Grumpin by SneakyMe September 2, 2011

Grumpin

A slang for someone who has a massive pp

“Wow he’s grumpin”

Grumpin by TheImpish March 7, 2021

Grumpin' 

(verb) The act of vigorously passing a particularly stubborn bowel movement. Usually involves grunting and the straining of one's sphincter. See also: Constipation

I hate when I'm in the bathroom at work and someone is grumpin' out a gnarly deuce. Gross...

Grumpin' by SneakyMe August 29, 2011

It's Grumpin' Time 

When it is time to Grump.

Epic Grumpyre: It's Grumpin' Time!

Matt: Oh no

It's Grumpin' Time by msmfart July 28, 2022

It's Grumpin Time 

The Catchphrase of Epic Grumpyre from My Singing Monsters.

"The Shadow Elemental can hear even the most hushed lip-smacking of any Monster enjoying Treats, and particularly loves to mutter the catchphrase, "It's Grumpin time," as it enjoys a late night snack of its own."

It's Grumpin Time by Jack the Weirdo Thing August 14, 2022