unbirthday

plural unbirthdays · alternative un-birthday

1. A day that is not one's birthday but is celebrated as though it were.

   Make an unbirthday cake and wear party hats when you blow out the candles together.

   2006, Sheila Ellison, 365 Games Smart Toddlers Play: Creative Time to Imagine, Grow and Learn

   5 more examples

   "They gave it me," Humpty Dumpty continued thoughtfully, as he crossed one knee over the other and clasped his hands round it, "they gave it me⸺for an un-birthday present." / "I beg your pardon?" Alice said with a puzzled air." / "I'm not offended," said Humpty Dumpty. / "I mean, what is an un-birthday present?" / "A present given when it isn't your birthday, of course."

   1871 December 27 (indicated as 1872), Lewis Carroll [pseudonym; Charles Lutwidge Dodgson], “Humpty Dumpty”, in Through the Looking-Glass, and What Alice Found There, London: Macmillan and Co., →OCLC, pages 121–122

   Hunting for treasures on any special day (like Easter, Christmas, birthdays or unbirthdays) can be fun for children and parents alike.

   1995, Terry Orlick, Nice on My Feelings: Nurturing the Best in Children and Parents

   Another way to look at unbirthdays is as an opportunity to celebrate every day of life. You can throw a party for no particular reason, except for FUN!

   1998, Alison Molinare Boteler, Matthew Klein, The Disney Party Handbook: 14 Fun Filled Parties

   I got some great photos with the unbirthday camera you left for me in the suitcase. Thanks.

   2007, Lisa Samson, Quaker Summer

   "This is just an unbirthday party. Wait till you see your birthday party. When is your birthday, Peg?"

   2008, Eleanor Hoyt Brainerd, Pegeen