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

Glumping 

Glumping is a term used to describe someone who is zoned out from the present situation

I saw Sam glumping for hours today

Glumping by Fat fingers r bad August 5, 2016

Grumpkin 

the act of shitting while recieving fellacio

man she sucked me dry while i dropped a loaf!

Grumpkin by dirty sanchez June 14, 2003

grimping 

grimp: one who pimp's one's grandparent,

or grimpin': the act of going out pimping with one's grandparent

the most I ever learned about life was when I went out grimping with my grandpa...

grimping by dillantante May 6, 2006

Forrest Gumping

When one is stoned but not quite retarded; basically on the border of being alright and just fucked up. Forrest gump was not normal but he wasn't retarded, hence the perfect comparison to being not fully baked.

Pablo: everyone stoned yet?
Daniel: I'm still pretty sober...
Chris: I'm fucked up...
Alex: I'm Forrest gumping over here, 2 more hits and ill be stupid!

Forrest Gumping by Alex E aka Monkey February 9, 2008

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