The sweat under your balls, between your legs, and in your ass crack.
All this running is giving me some bad grundle.
by U23Dwas_awesome April 17, 2008
Get the grundle mug.
the scottish term for the area between the anus and the coccyx... a term misunderstood as the perineum in most countries, but a often spoken about phrase in the likes of wishaw and motherwell. Well used also by the healthcare profession
"i keep getting wakened up by a pulling of the grundle, like I'm being pulled up and down in agony"

or

I have too much hair on my grundle
by the anaconda October 12, 2010
Get the grundle mug.
(verb) To place an object in the area between your testicles and anus (i.e. the grundle). This is generally done when attempting to bring prohibited items into a venue where entrants are patted down.
"Yo Thabius, make sure you grundle that bowl before we get to the security check-point."
by AppleJax September 4, 2006
Get the grundle mug.
The grundle is the area between the penis and the asshole. This area is the most dark and hairy realm of the human male body. I like to call it pergatory - the area between heaven and hell.
"First I'll suck you're cock and if you're nice, I will pet your grundle"
by Pete April 4, 2005
Get the grundle mug.
Also known as a gooch, the grundle is the (usually smelly) region between a man's scrotum and anus. I don't know if the small area between a woman's vagina and anus counts as a grundle.
Do women have grundles? Find out more at 11:00pm.
by Adam Tr0n February 12, 2005
Get the grundle mug.
the tuft of hair on the nifkin
my nifkin is itching like crazy, i gotta shave my grundle
by digga (the boss) July 11, 2008
Get the grundle mug.
the place between ur wangchung and a-hole that becomes saturated with percperation while wacking ur willy
my grundle is nice
by grun-dull August 22, 2003
Get the grundle mug.