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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!"
by darlingnikkinj December 06, 2008
A caravan towed by tourists.
"Iv just spent 3 hours stuck behind a f*cking grockle box on the B350"
by Andy March 31, 2008