Punchline (noun)

1. The final sentence or phrase of a joke, which typically delivers the punch or the most humorous or significant part of the joke.
2. A witty or surprising comment or statement made at the end of a conversation or speech.
3. A statement or remark that is intended to be funny or amusing.

Origin:

A punchline is a term which used in the context of comedy, it is the final sentence or phrase of a joke which typically delivers the punch or the most humorous or significant part of the joke.

Examples:

1. The punchline of the joke was so funny that the audience laughed for minutes.
2. He delivered the punchline with perfect timing and the audience erupted in laughter.
3. She always had a punchline ready for any situation.
4. The punchline of the conversation was unexpected but made everyone laugh.
5. The punchline of the speech was a clever play on words.