grumpkin

a mixture of a grundle grab and a knuckle butt fuck. it can be quite stimulating if used correctly

the wrestler used the grumpkin technique to score a reversal.
i blew my wad as soon as that filthy slut gave me a grumpkin.

by the cool breeze September 8, 2006

grumping

The act of "dry humping" while grinding on a dance floor.

"Yo, that dude is dancing so hard with that chick he's grumping!"

by Blowfish3 October 22, 2009

grumbling

Someone who is making a groaning sound (non sexual)

Jerry stop grumbling your starting to sound like a grump-a-lump!

by hoohoo22 August 1, 2015

grumpkin

Describes sosmeone who suddenly turns extremely and uncharacteristically grumpy at night, particularly after midnight. Word evolved from pumpkin - someone who suddenely turns sleepy at midnight.

Watch out - after midnight she turns into a grumpkin!

by Grumpkin April 30, 2006

Grumpkin

It's actually where you get a girl to swallow a load of semen, then you punch her really hard in the stomach and she throws up on ur dick.

Ya that bitch was suckin my dick so hard but she bit it, so i gave her a grumpkin...and she puked out her lunch.

by Joe May 13, 2005

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 -

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...

by SneakyMe September 2, 2011