Use "punchline" in a sentence

1. “Oh, I‘ve got this great joke! It‘s about a Doctor and a Clown; I don‘t remember how it goes, but the punchline is that the Doctor is unmarried!” Julia said

2. I could hear someone saying it as a punchline

3. It was obvious they both had more jokes to tell but they spent a few minutes silently sorting through them to try and come up with a funny one that didn't have a cruel punchline

4. But the final punchline of the day was reserved for the less voluble Shah

5. That's why blowback's a bitch and the last line is called the punchline

6. The rimshot on the punchline that you fumbled