“I think I’ll be a clown when I get grown,” said Dill.
Jem and I stopped in our tracks.
‘Yes sir, a clown,” he said. “There ain’t one thing in this world I can do about folks except laugh, so I’m gonna join the circus and laugh my head off.”
(Harper Lee, To Kill A Mockingbird)
Is ‘my head off’ the result of the action of ‘laugh’?