Crossword Genius

On board, we have Autocue (5)

Ross

I believe the answer is:

idiot

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'have autocue' is the definition.
The definition and answer can be both people as well as being singular nouns.
Perhaps they are linked in a way I don't understand?

I can't explain the rest of the clue.

Can you help me to learn more?

(Other definitions for idiot that I've seen before include "Clot" , "Foolish character" , "Fool; half-wit" , "Twit" , "Unwise person" .)

I've seen this clue in the Evening Standard.
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