talking to any of the people around you and if they answer to you act like you have no clue what they're talking about cuz you're so indepth with your bluetooth conversation
And buy something, of course. (hey, you asked for it.)
Go outside of any mens/woman store such as hollister, A&F, any other. Take off your shirt and start modeling your jeans/shorts. What to wear? Topless Sunglasses if you want sandles/shoes Designer jeans/shorts Girls can do this too just wear a bra?