[Disambiguator]

I feel the same way about acronyms. People use them without first defining them, and assume everyone knows what they mean. KWIS?*

*know what I’m saying?

[metmom]

I would not have figured that one out.

I agree about them as well, even though there are a few I do use, like FWIW, IIRC, and the less common, GMTA.