grinding
n.— «I wanted so hard to hold my head up. I was grinding. I was shellshocked. I’d been on the verge of winning a tournament that puts me in the history books.» —“One Man Put His Stamp on This Open, a Proud One” by Tony Kornheiser Washington Post July 20, 1987. (source: Double-Tongued Dictionary)
Further reading
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...
Have you ever googled your own name and found someone else who goes by the very same moniker? There’s a word for that: googleganger. Plus, the language of hobbyists and enthusiasts: If you’re a beekeeper, perhaps you call yourself a...