punch line

US /ˈpʌntʃ ˌlaɪn/
UK /ˈpʌntʃ ˌlaɪn/
"punch line" picture
1.

piada final, remate

the final phrase or sentence of a joke or story, providing the humor or climax

:
Everyone laughed at the unexpected punch line.
Todos riram da piada final inesperada.
He delivered the punch line with perfect timing.
Ele entregou a piada final com um timing perfeito.