do tell

A phrase used to express surprise about something, as in Jane's getting married again? Do tell. This expression does not necessarily ask the speaker to provide more details but merely expresses one's astonishment. [Colloquial; first half of 1800] For a synonym, see you don't say.

Words nearby do tell

do over, do someone, do someone proud, do someone wrong, do something over, do tell, do the dishes, do the honors, do the spadework, do the trick, do time