This is obviously some strange use of the word “safe” that I wasn’t previously aware of

Arthur: If I asked you where the hell we were, would I regret it?

Ford: We’re safe.

Arthur: Oh good.

Ford: We’re in a small galley cabin in one of the spaceships of the Vogon Constructor Fleet.

Arthur: Ah, this is obviously some strange use of the word “safe” that I wasn’t previously aware of.

(From The Hitchhikers Guide to the Galaxy.)