(dated) go away (and stop bothering me)

(idiomatic) An invitation to a guest in the speaker's home to treat the house as if it were theirs.

(slang, vulgar) Synonym of screw you

(sarcastic) Said to someone who has ill-conceived, false beliefs.

(dated) Said when offering a monetary bribe.

An expression used when parting, especially to a sick person

(humorous) A response to being greeted with "hello".

(idiomatic, ironic) Don't overexert yourself (in doing something that does not require much effort).

(vulgar, humorous) Used to deflect a request for a reason.

Don't do anything you are paying a more qualified person to do.