grundlitus 

Stinging in the grundle region and inner thighs while walking, usally after a heavy case of swamp ass or swamp nuts.

To this day there is no found cure.

John- Why are you walking like that?

Bill- Cuz I got a wicked case of grundlitus.

grundlitus by SB2K November 7, 2007

grundlebuss 

someone who has sex with a twinkie, and then squeezes the cream out using their legs.

I walked into my boss's office and saw him the riding the grundlebuss, upon him noticing me he squeezed his legs and deflated the twinkie in nervousness, i immediately left.

grundlebuss by chrisalyss September 6, 2009

Grundleitis

A genetic condition where an individual is born without a grundle, thus their anus and scrotum/vagina touch each other.

Person 1. "I heard Tyler has grundleitis."

Person 2. "What???"

Person 1. "He was born without a grundle."

Grundleitis by WowDad August 5, 2011

grundelitis

a debilitating and humiliating chronic illness which inflames the area known as the grundle...characterized by inflammation and pus-like discharge which is known to smell of a turd covered in burnt hair

when i sit, i sit in a tractor inner-tube due to my grundelitis...

grundelitis by miles long May 30, 2005

Grundious 

(adj.) 1. Grey in the emotional sense; lacking in emotional stimulation, esp. in regards to daily activities 2. Temporarily melancholy or morose

This week has been particularly grundious; the persistent dark skies and rain has really taken its toll on my emotions.

Grundious by Mateseco December 3, 2009

grundlingus 

The high art form of making sweet passionate tounge love to the space between a man's balls and anus. Similar to its female counterpart, cunnulingus.

Guy: Man, what happened last night?

Dude: We got wasted last night, and then Michelle gave me some serious grundlingus!

Guy: Hell yeah!!!

grundlingus by AaronTimothy November 8, 2005

GrundleBus 

The preferred method of getting from point A to point B, provided that point A is the Asshole and point B is the Ballsack; most often used by homosexual males

Man 1: I plundered Mikes asshole yesterday, then I tickled his scrotum right after
Man 2: How'd you pull it off so fast?
Man 1: Easy, I used the GrundleBus

GrundleBus by The Captian May 5, 2015