punchline
/ˈpʌntʃlaɪn/Definitions
1. noun
The final and usually humorous part of a joke or a comedy routine.
“The comedian’s punchline was met with laughter from the audience.”
2. noun
A surprising or unexpected event or revelation.
“The news was the punchline to the entire scandal investigation.”
3. noun
A clever or witty remark.
“Her witty remark was the punchline of the evening’s conversation.”