unbirthday

British  

/ ˌʌnˈbɜːθdeɪ /

noun

1. humorous

   1. any day other than one's birthday

   2. ( as modifier )

      an unbirthday present

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Etymology

Origin of unbirthday

C19: coined by Lewis Carroll in Through the Looking-Glass

Example Sentences

The festival will feature 12 marketplaces offering all kinds of food, cocktails, wine and beer as well as nonalcoholic beverages along with special entertainment like “Alice’s Wonderland Bakery Unbirthday Party.”

From Los Angeles Times

To redeem herself and cheer up Rosa the next day, Alice hosts an intimate unbirthday celebration, a concept found in both the 1951 film and Lewis Carroll’s “Through the Looking Glass.”

From New York Times

The series also incorporates tunes from the 1951 movie, like “The Unbirthday Song,” and other work by Kavanaugh, such as “Food for Thought,” which conveys series themes like flexibility.

From New York Times

Disney Japan’s official Twitter account posted a tweet yesterday — which just so happened to be the 70th anniversary of the United States dropping an atomic bomb on Nagasaki — wishing its followers “Congrats on a trifling day” accompanied by an image of Alice wishing “A very merry unbirthday to you!”

From Salon

In English, the tweet sent Sunday conveyed "A very merry unbirthday to you!" from a song in the Disney film "Alice in Wonderland."

From US News