Eye-in-the-sky noun phrase informal
Surveillance above your head or in the sky, such as a camera or a police helicopter
The eye-in-the-sky in the store can prove that I didn't steal your phone.
Eyes-in-the-sky have helped the police a lot in solving cases.
To quit; to give up, stop doing something because you know that you cannot succeed; admit defeat
The team is not going to throw in the towel just because they lost one game.