The Grundle or taint is the area between the genitals and the anus.
"That bicycle seat really put a hurtin' on the old grundle!"
by Justin Illusion May 26, 2006
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(n.) the grundle is the area between your balls and your asshole. it can sometimes be referred to as the gooch, gouch, or gleek
That dog bit me right in the grundle
by John Muth May 30, 2006
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a lovable sulky winter character, and a prophet/spiritual advisor.
wow, bob is such a grundle
by g. rundle April 9, 2021
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Name of the Harris/Millis dining hall at the University of Vermont.
by Alex February 19, 2005
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Male: The region between the scrotum and the asshole.

Female: The region between the vagina and the asshole.

Also known as a "taint"
"It feels good when you lick my grundle."

"Why is it called a taint?"
"Because it taint da pussy and it taint da asshole."
by Fat Dave February 18, 2004
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The land bridge between your nutsack and butthole.
I like it when a guy rubs my grundle before jamming his figner in my ass.
by Travis Marks January 12, 2004
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The ripe smelling portion of the male anatomy that grows some of the best fromunda cheese. Its best to be licked here with your whores finger in your ass while being simultaneously jerked off.
Shooowee, my girl was lickin' my grundle with a finger in my ass while she was jerking me off the other night, and when I came I almost shot her eye out!
by Slickman5000 August 10, 2004
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