A generously sized and inexplicable gap that sometimes occurs between groups of cars on the freeway, most often at night.
Matt: "Dude wtf are you doing?!? You're zig-zagging back and forth between lanes like a bloody lunatic!"

Brad: "It's alright dude, calm down ... can't you see we're in a freeway gap?"
by wxflurry October 1, 2010
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