mouth-breather
n.— «Whatta maroon. Not only does this submoronic mouthbreather send an illegal, obscene message in private email, he posts it here publicly, with a header showing that it was also sent privately.» —“Re: Need help from someone with Win95 expertise” by Lon Stowell Usenet: alt.revenge Jan. 23, 1997. (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...