Mine is OOO for Out Of Office. I always misread it in my head like a ghost and it takes me a few seconds to process. It also doesn’t translate to speech—you have to say the whole thing.
Interested to see if others have similar acronyms they beef with.
“Accessibility.” It mainly refers to computer accessibility (like websites and apps). Ironic that a common word for accessibility is inaccessible to people who don’t know what it means