Definitions

from Wiktionary, Creative Commons Attribution/Share-Alike License.

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

Etymologies

from Wiktionary, Creative Commons Attribution/Share-Alike License

un- +‎ birthday, coined by Lewis Carroll in Through the Looking-Glass (1871).

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Examples

Comments

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  • Have a very merry one! ;o)

    November 12, 2008