Term used to refer to a young woman's tight-looking ass, especially if she's wearing tight-fitting jeans. Not generally used in reference to a man, unless the speaker is gay or a redneck female with absolutely no regard for her own reputation.
Joe: "Dude, what are you looking at?"

Steve: "That chick's dookie box, bro. Check it out!"

Joe: "Niiiiiiiiiiiiiiiiiice."
by Whiskey Drinker Me January 5, 2010
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