Clue: Shut up a second! B___ stopping? I hope he is (6)
Answer: GASBAG
Explanation: Shut up a second! B___ stopping? I hope he is (6)
**GAG** ("shut up") *stopping* **A** + **S** (second) + **B ***It's difficult to identify what exactly the definition here is (I don't believe this could be an & lit. clue) but you would definitely want to stop a gasbag.