I DON'T FEEL STUPID ANYMORE . . . III

 See the "S" under his knee? That stands for "Stupid".

 YUP! Plastic melts over an open flame.

 Don't worry folks ... I think this a "Doggy break / traffic jam" . . . OR

 Hey Buddy !

Have you ever seen a dog chase his tail?
This is what happens if he were to catch it.

Thanks David and Stopsign (H/T)