suicide
n.— «Otherwise, they may be in for some punishing “suicides.” Wallace, who coaches sixth-through eighth-grade girls at the Palomar Family YMCA, uses the term for running extra laps.» —“Coach urges accountability, responsibility” by Pat Sherman San Diego Union-Tribune (California) Jan. 28, 2006. (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...