Adj. A state of confusion, often referring to the state of mind brought about by detoxification. Derived from "mostly out of focus."
You need to forgive his blithering; he just got out of detox so he's really mocus.
Adj. A state of unconscious, consciousness. Conducting business on auto pilot. Especially related to detoxification and the resulting state of mind.
After years of drunken clarity, Jan now finds herself in the occasional sober haze. Said Jan, "I was so mocus today, I thanked the Vending Machine for dispensing the bottle of Volvic."