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.
In my area of specialty, Identity and Access Management, one of the recent fads is Attribute Based Access Control. I always do a little double take when there’s a serious conference topic going over ABAC.