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When you meet someone so delicious you would immediately hook up with them even if it's in a fast food establishment, including, but not limited to, an Arby's.
Example 1 -
Girl 1: "Did you see Magic Mike."

Girl 2: "Oh god, Channing Tatum? I'd do him in an Arby's."

Example 2 -
Boy 1: "That girl over there?"

Boy 2: "In an Arby's."
by #LACE February 15, 2014
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