good lookin' out

good lookin' out

An expression of appreciation to someone for being helpful by noticing, realizing, or proactively doing something. A: "I noticed that the Martin file is missing." B: "Oh right, I almost forgot it. Good lookin' out!" A: "I brought pizza in case anyone was hungry." B: "Dude, I'm starving. Good lookin' out!"
See also: good, out
References in periodicals archive ?
And to the civil engineer who designed the ditch, good lookin' out.