now you mention it

Etymology

Shortening of now that you mention it

Adverb

now you mention it

1. (idiomatic) (Used to precede another comment about something just mentioned)
   • 1894, Rudyard Kipling, The Jungle Book

     I--I--I have fought a little, but not in that climbing way or that running way.

     Now you mention it," said Billy, "you don't look as though you were made for climbing or running--much. Well, how was it, old Hay-bales?

   • 1922 February, James Joyce, Ulysses, Paris: Shakespeare & Co.; Sylvia Beach, OCLC 560090630; republished London: Published for the Egoist Press, London by John Rodker, Paris, October 1922, OCLC 2297483:
     Episode 16

     --Everybody gets their own ration of luck, they say. Now you mention it his face was familiar to me. But, leaving that for the moment, how much did you part with, he queried, if I am not too inquisitive?

See also

• speaking of which