The balls of excess toilet paper that hang from the short hairs of your grundel like a monkey.
Dude slow down I've got 3 lbs of grundel monkeys weighing me down.

Before prom I like to comb my grundel monkeys out.
by Tony Peters November 22, 2007
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It is your "gooch" or "taint" after weeks of not showering. It becomes a greyish color due to the lint build-up and hardens due to accumulation of crusty sweat. It becomes very itchy and bares a striking resemblence to Destro, villian from G.I. Joe. Nothing is smellier or is more of a nusance to any G.I. Joe on the job, then your sweaty taint in the summertime.
Fuck. My grey grundels actin' up. It's crustier than my girlfriend's asshole after a week long cream pie.

My girlfriend just ate out my grey grundel and she looks like she just ate the icing off of a Destro themed birthday cake.
by Destro the Grey March 14, 2009
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A chunk of dried skin created by a pair of sweaty, reeking balls that hang too low and are left unattended for far, far too long in the middle of a July heatwave in Utah. This chunk of skin is deposited, through the friction caused by the rippling, thunderous, hairy thighs attached to said balls, onto the swampy region found betwixt the subject's scrotum and anus, and is then found by the subject's unfortunate girlfriend when he arrives home from his four hour shift at the Fried Chicken Castle and requests a quick blowjob before plopping down to a six hour World of Warcraft marathon with the rest of the grown men in the neighborhood who reside in their mothers' basements.
Dude, I am not giving you a blow job until you switch over your mom's whites into the dryer and clean up those nasty grundel nuggets you've always got sprouting down there.
by Mangan's Sister June 30, 2011
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Referring to the private region, usually of a male
man, she be all up on my grundel

that really chafes my grundel
by bigg will December 21, 2006
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The sweat that accumulates in the resevoir that is the spot between the penis (or vagina) and asshole. Usually smells worse than other forms of sweat and is probably toxic.
I went over to my girlfriend's house after soccer last night and while we were fucking around, she cleaned my gooch with her tonque. I'm pretty sure the grundel gravy killed her.
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The creation of a beautiful new baby by porking a girl in the toot shoot and accidentally breaking through the perianum while busting a nut. Thus the term Grundel Baby.
While I tried to park my H2 in the back of her single car garage, I slipped and busted a Grundel Baby maker move. She was upset.
by john gruber September 22, 2006
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the Dark Forest, the Netherworld, kingdom of Uranusholia, a little south of Testicle City, the home of the terdiodion trolls, the region at the end of One Way Canyon, a region sometimes inhabited by 'clingons', the great 'colon'y of the hemroidites and dinglebearies.
Bob passed through the Grundel reion last night.
by t-bear October 7, 2003
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