Anyone who uses their smart phone to try to impress people. Usually described by someone who does not own a smart phone.
Guy: "Check out what my new iPhone can do! Don't you wish you had one?"
Girl: "Oh, you think you're such a big shot with your Smarty-Pants Phone."
Girl: "Oh, you think you're such a big shot with your Smarty-Pants Phone."
by The Mountain Cat July 29, 2012