大きにお世話、お茶でも上がれ
Meanings
1
mind your own business!; keep out of it!
jocular, humorousarchaic
Jocular, archaic set phrase used to dismiss someone's meddling. Literally something like 'Thanks for your trouble, but have some tea and go away.' Not used in modern serious conversation.
Nobody says 'Mind your own business, have some tea and be off' these days.