Noun
the point of a joke or humorous story
Source: WordNetpunch-line
My father who in this case was an obsessive life-long storyteller, and by a very peculiar trick of my father's. My father would tell a very, very long story, and the punch line would be in Yiddish. Stephen Greenblatt
It does not matter. The joke is we all have the same punch line. Chuck Palahniuk
Life is a cruel, horrible joke and I am the punch line. Carrie Fisher
I don't really know what is shocking. When you tell the story of a man who is beheaded, you have to show how they cut off his head. If you don't, it's like telling a dirty joke and leaving out the punch line. Roman Polański
Never go for the punch line. There might be something funnier on the way. Jerry Stiller
On stage you look much larger than you are. You can have subtle changes of timing; how you place a punch line in a joke or movement or emotion according to an audience. Sylvester McCoy