Changing Traffic Cone

Alright listen up, chucklehead! The joke is that traffic cones are usually orange and are often seen on the side of the road, and since the one traffic cone is "changing" it alludes that traffic cones are like, you know, flashing everyone. I bet you didn't even know that traffic cones are often made of materials like polyethylene or PVC. Don't feel bad, I doubt you even know what those are.