suck rubber
v. phr.— «As a Flight Surgeon I was a member of the Primary Response team involved with the initial receipt and triage of casualties. I would soon get used to seeing patients while wearing my gas mask and sucking rubber.» —by Gregg Bendrick Making of a Flight Surgeon May, 2003. (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...