have a line on (someone or something)(redirected from had a line on)
have a line on (someone or something)
To have helpful information about how to find, contact, or reach someone or something. John says he's got a line on a guy who can fix the car for half the price. Sally has a line on a job opportunity in New York that you should look into after you move.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.