I'm confused. You were smoking on a "corner" so I'm gonna assume it was outside on a street corner? You left a bong there...and your cell, but some dude has your cell. So umm, whats the problem? Maybe not have your dad take you to get it? And if so be like "that thing wasn't there last time" or whatever. Wait, why would you have to go back to that place if the dude has it? Can't you meet him somewhere else to get your cell?