grockle box 

A caravan towed by tourists.

"Iv just spent 3 hours stuck behind a f*cking grockle box on the B350"

grockle box by Andy March 31, 2008

Grockle Box 

a grody vagina. nasty snatch.

Guy1: "hey look, its your one-night-stand Stacy"
Guy 2: "I'm not going near that grockle box again!"

Grockle Box by darlingnikkinj December 17, 2008