The police officer walked through the neighborhood, 'keeping a' (sharp) 'lookout for' any suspicious activity.
The police are 'on the lookout for' two men who escaped from custody yesterday.
If he wants to spend all his money on expensive clothes, that's 'his lookout'.
(..) he's some criminal mastermind, but he's not. Yeah. On the million-to-one chance... you be on the lookout, okay? Thanks. You got it. Five minutes. Five minutes. You didn't kill anybody (..)2013 TvShow: Breaking Bad Title: Felina Season: 5 Episode 16