slang The decrease in timidity or inhibition that comes from imbibing alcoholic beverages. I'm planning on proposing to Mary tonight, but I think I need a little liquid courage first!
A lunchtime outing that consists of drinking alcoholic beverages instead of eating. Bob reprimanded his employees for having a liquid lunch and returning to work intoxicated.
if someone has a liquid lunch, they drink alcoholic drinks instead of eating food I had a two hour liquid lunch and nearly fell asleep at my desk in the afternoon.