[jwalburg]

Or, you could stop, say "Holiday? What holiday?" and try to get them to say it.

[codyjacksmom]

OH, I like that!!! I'm going out tomorrow and will try that with everyone that says happy holidays to me. Thanks for the suggestion!!

[R. Scott]

Or, you could stop, say "Holiday? What holiday?"

I would probably reply, “Christmas, Hanukah, Saturnalia”