get a line on

get a line on (third-person singular simple present gets a line on, present participle getting a line on, simple past got a line on, past participle gotten a line on)

1. (chiefly US, informal, idiomatic) To obtain information about someone or something.

• “get a line on something” (US) / “get a line on something” (UK) in Macmillan English Dictionary.
• “get a line on sb”, in Cambridge English Dictionary, Cambridge, Cambridgeshire: Cambridge University Press, 1999–present.
• “get a line on somebody something” in Longman Dictionary of Contemporary English, Longman.
• “get a line on someone”, in Collins English Dictionary.
• “get a line on”, in Merriam-Webster Online Dictionary, Springfield, Mass.: Merriam-Webster, 1996–present.