Why does Tire air smell like a stinky butt

Question

Why does Tire air smell like a stinky butt

Answer 1

rubber in general isn't plesant smelling, let alone rubber that gets hot.

Answer 2

Its because when they fit new tyres they blow them up with *** gas.

Answer 3

You'd smell like stinky butt also if you were trapped in a tire 24 hrs a day getting hot all of the time.  

Answer 4

its because of the rubber from the tire and the air just sitting in there