- out to lunch
- out to lunch1. Lit. eating lunch away from one's place of work or activity. •
I'm sorry, but Sally Jones is out to lunch. May I take a message?
•She's been out to lunch for nearly two hours. When will she be back?
2. and out of it Fig. not alert; giddy; uninformed. •Bill is really out of it. Why can't he pay attention?
•Don't be out of it, John. Wake up!
•Ann is really out to lunch these days.
* * *{adj.}, {slang}, {informal} 1. Gone for the midday meal. 2. Inattentive; daydreaming; inefficient; stupid. * /Neil Bender is just out to lunch today./
Dictionary of American idioms. 2013.