whale tail
n.— «Whale Tail: The top rear strap of a woman’s thong, which closely resembles a whale’s tail rising from the water whenever the wearer bends over or squats.» —“Re: OT—For jb’s eyes only” by Cliff Huprich Usenet: alt.machines.cnc Jan. 26, 2004. (source: Double-Tongued Dictionary)
Further reading
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...
Cat hair may be something you brush off, but cat hair is also a slang term that means “money.” In the same way, cat beer isn’t alcoholic — some people use cat beer as a joking term for “milk.” And imagine walking on a...