Have a nice day!

have a nice day

cliché An expression of farewell, used especially in somewhat formal settings, such as when an employee is addressing a departing customer. A: "Thanks for your help!" B: "No problem—have a nice day!"
See also: have, nice
Farlex Dictionary of Idioms.

Have a nice ˈday!

(spoken, especially American English) a friendly way of saying goodbye, especially to customers
See also: have, nice
Farlex Partner Idioms Dictionary
See also:
  • have a nice day
  • computer says no
  • X's and Y's and Z's, oh my!
  • (good) black don't crack
  • a sight to behold
  • Do you know who I am?
  • Don't you know who I am?
  • better than a poke in the eye (with a sharp stick)
  • rusty