punch line
US /ˈpʌntʃ ˌlaɪn/
UK /ˈpʌntʃ ˌlaɪn/
1.
chute, pointe
the final phrase or sentence of a joke or story, providing the humor or climax
:
•
Everyone laughed at the unexpected punch line.
Tout le monde a ri de la chute inattendue.
•
He delivered the punch line with perfect timing.
Il a livré la chute avec un timing parfait.