fifth quarter
n.— «We consider this time, December 26th through the end of the year, as the “5th Quarter.” So we see a lot of gift card redemption in our electronics and entertainment area.» —“Holiday Returns, Gift Cards Fuel Final Week For Retailers” KSDK-TV (St. Louis, Mo.) Dec. 26, 2005. (source: Double-Tongued Dictionary)
Further reading
An anadrome is a word that forms a whole new word when you spell it backwards. For example, the word “stressed” spelled backwards is “desserts.” Some people’s first names are anadromes. There’s the girl named Noel...
What if, instead of being an inanimate object, a dictionary were alive? That’s the idea behind a lavishly illustrated new children’s book called The Dictionary Story (Bookshop|Amazon) by Oliver Jeffers and Sam Winston. This is part of a...