:a sweaty viscous moisture which collects in the taintal, grundlelier region <especially with females>
Sherry had such an excess of grundle honey, she wore two sets of panties and an extra pair of socks to keep her shoes dry.
by RESeNT June 27, 2008

The moldy orange stuff Bill takes off Newman's grundle and puts on his ham sandwiches. It smells like rotten cheddar mixed with ear crust but Bill still eats it.
Bill quote: "Hey Newman open your legs up so I could get some grundle cheese. I'm makin grundle cheese tacos for breakfast."
by sLicK 2 thA bOne March 8, 2005

by Motor Boatin SOB April 22, 2006

the act of inserting ones testicles into the anus of a female and pleasuring her by causing friction against the outer vagina with said grundle
by cocksmurf November 5, 2009

by spidey2009 September 10, 2006

by Iz Markie June 3, 2003

When your buddy is passed out and you glue a duck bill to his GRUNDLE. When he awakes and tries to walk the duck bill will wiggle and bite the back of his sack causing him to fall to the ground and yell, SHIT!!! The grundle bites are attacking my sack!
Billie bob (bag of donuts)Yooo Johnnie, let's give Todd the GRUNDLE DUCKLING he is passed out.
Johnnnie, sweet I got a duck bill handy!
Billie Bob glueing, glueing
5 hours later...
Todd awakes and tried to walk to the bathroom and falls over in pain holding his package...
Todd.. CRAP the grunts are attacking my SACK!
Johnnnie, sweet I got a duck bill handy!
Billie Bob glueing, glueing
5 hours later...
Todd awakes and tried to walk to the bathroom and falls over in pain holding his package...
Todd.. CRAP the grunts are attacking my SACK!
by ass hammer December 3, 2006
