whelpday

English

From whelp (“of a canid, to give birth”, verb) +‎ day, by analogy with birthday (“the anniversary of the day on which someone is born”).

whelpday (plural whelpdays)

(Internet slang, uncommon) The birthday of a canid, especially a dog, or (furry fandom) a furry's canid fursona, typically a dog or a wolf.
- 1996, Barbara Seaman, Lovely Me: The Life of Jacqueline Susann, Seven Stories Press, →ISBN, page 480:
  She'd been praying that Josie would at least make it to her "whelpday," the twelfth of January. The dog received semiannual electrocardiograms and the best of medical care, but her diet had never been even close to the one recommended.
- 1998 July 20, Duncan da Husky, “ah hah, it's HarryBear's Whelpday!”, in alt.lifestyle.furry‎^[1] (Usenet):
  Woohoo! Happy whelpday, Harry! Have some Nutella mousse - it came out pretty good, if a bit thin. I didn't hear anyone complaining about the taste :-)