The entirety of one's package and asshole, to inlcude either to cock, balls, taint, and asshole, or vagina, taint, and asshole. One's grundle often bears the brunt of the day's heat and is most likely sweaty and horrific smelling.
1) I took my undies off and holy shit did my Grundle smell like rotten cottage cheese!
2) I'd love to punch that dude right in his Grundle
3) I heard it's very easy to get into her Grundle.
2) I'd love to punch that dude right in his Grundle
3) I heard it's very easy to get into her Grundle.
by Davy Grohlton June 26, 2012

by Ian January 18, 2005

by Jim Tzenes August 22, 2004

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 21, 2003

by dicknity March 3, 2004

If you're male and you're on your back, this is the area merely centemeters from the top of your juicy poot hole.
by THE SHAWNER September 7, 2003

by Joe February 16, 2005
