A non-exact unit of measurement used to describe the distance between two places that are convienently close to each other. Derived from the fact that Starbucks coffee shops are built so close together, the distance between one Starbucks and the next is incredibly short.
Person 1: "This house party sucks. Let's hit up that bar on Main, find some sluts."
Person 2: "Is it close by here?"
Person 1: "Oh, dude, super close."
Person 2: "How close?"
Person 1: "Like, Starbucks Close."
Person 2: "Fuck it, let's roll."