True story: back in college, your trusty Moviefone vertical editor and his silly college roommates fashioned shirts out of black garbage bags just because. Spoiler alert: wearing garbage bags as clothing is hot. Hot hot. As in: they trap heat to an extreme level and you'll sweat like Conrad Murray awaiting his verdict. (Timely!) This trip down memory lane comes to mind after seeing Bradley Cooper wearing a black garbage bag on the set of 'The Silver Linings Playbook.' Why does Cooper have a garbage bag on? Who knows! Check out the randomness ahead.