It's no laughing matter.

Other lines from this film

• . . and when it's all over one of them won't be laughing
• Nobody knows Rupert Pupkin, but by 11:30 tonight, the whole world will know he's . . . THE KING OF COMEDY
• Nobody knows Rupert Pupkin, but after 11:30 tonight no one will ever forget him.

This wording in other films

One line, 2 films.

• Batman Beyond: Return of the Joker (2000)

Similar meaning

Lines whose meaning sits closest, by embedding similarity.

Same sentence pattern

Shape: it 's no … …