a statement used to express an extremely early time to wake up in the morning. more specifically, an hour or 2 before sunrise.
"i gotta get up at the grundle of dawn tomorrow..."
Protection of the patch of skin between the ballsack and butthole (grundle) by way of plastic or rubber inserts. Often attacked by hands or genetalia.
A: How was da club?
B: Like shit! Forgot my grundle protector.
The fold between a womans ass and her thigh
I pooned those grundles last night.
1. The hairy sector separating your bunghole from your dilly-dally.
2. A room in a house/apartment specifically for men to hang out at, also referred to as a "man cave".
After a long, hard day of working in the yard, I love to come inside and scratch my sweaty grundle.
Man 1: Dude we've got the Nintendo 64 all hooked up in the grundle! Come over!
Man 2: Cool, bro! I'll bring over some PBR and an extra controller!
I was pressure washing my lawn when a wasp came right up to me and stung me right in my grundle.
The undercarriage of the male anatomy, often associated with an odiferous smear referred to as grundle butter; pungent
I’d been riding my mule for hours, and my grundle was hotter than two rats fucking in a wool sock.