1) A very large structure, often atop buildings. Its only purpose is to have large posters plastered to it to advertise to drivers and their passengers.
2) Anyone who where clothing which features the company that made it, like most T-Shirts made by Nike or Tommy Hilfiger
2) Idiot: Check out my Nike T-Shirt. It was only $35.
Anyone smarter than the apes: You stupid fucker, that's just a regular black T-Shirt that says "Nike". You wasted $35 to be a billboard.