grundle 

the perineum, especially the male perineum

I tried to shave my grundle but I just ended up making it itch.

grundle by The Return of Light Joker November 18, 2011

Grundle 

A male genitalia.

I was pressure washing my lawn when a wasp came right up to me and stung me right in my grundle.

Grundle by Sgt. Wetwipe June 19, 2016

Grundle 

The perineum on a human male. Located between the scrotum and anus. Aptly named after the hairyness of the Grendel monster from Beowulf and a young polishman's genitals. Originated in Jessup Maryland circa 1994.

"Mike has a super hairy grundle and his girlfriend Ann wouldnt go near it, so he dumped her"

Grundle by Double Bs July 13, 2016

Grundle 

Another name for a mans package

Are you looking at his grundle?!

Grundle by anonymous September 9, 2020

grundle 

Alex Finer's taint

There is an erroneous musk wafting from his grundle.

grundle by semondemon69 November 2, 2021

Grundle 

When a person is disheveled, hungover or a hot mess.

Damm…. She’s being a total grundle

Grundle by Dumpsterkitty2 November 25, 2021

Grundle 

The undercarriage of the male anatomy, often associated with an odiferous smear referred to as grundle butter; pungent

I’d been riding my mule for hours, and my grundle was hotter than two rats fucking in a wool sock.

Grundle by Trail crew December 10, 2022