goofy wrote:Gigano wrote:What about "scaring the living daylights out of someone"? It is said that daylights is 18th century slang for someone's eyes.
You're right. Maybe the two idioms have combined.
My guess is that "living daylights out" is a corruption of "liver and lights out". But of course I could be totally wrong and it could be a case of convergence of two originally independent idioms.