sign on the dotted line

Idioms  

1. Agree formally or fully, as in The deal is just about fixed; all they have to do is sign on the dotted line. This idiom refers to the broken line traditionally appearing at the bottom of a legal document, indicating the place for one's signature. [Early 1900s]

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Example Sentences

Others reading your story should know whether their financial adviser is a fiduciary or whether they’re receiving commissions before they sign on the dotted line.

From MarketWatch • Jan. 5, 2026

Discovery WBD -2.39%decrease; red down pointing triangle sent a message to Larry Ellison: If you want to buy our company, sign on the dotted line yourself.

From The Wall Street Journal • Dec. 18, 2025

The singer got her way in court after a judge decided the evidence indicated the man, who founded 1-800-Flowers, was well enough to sign on the dotted line.

From Los Angeles Times • Jun. 26, 2025

"You look around first and then you check things out and nothing is certain until you sign on the dotted line," she said.

From BBC • Feb. 9, 2025

Contributors were to sign on the dotted line.

From The Wrong Twin by Wilson, Harry Leon