King in complete turnaround finally went on (6)

I believe the answer is:

droned

I'm a little stuck... Click here to teach me more about this clue!

'went on' is the definition.
'droned' can be an answer for 'went' (droning is a kind of going). I'm not certain of the 'on' bit.

I cannot understand how the rest of the clue works.

Can you help me to learn more?

(Another definition for droned that I've seen is " Buzzed".)

I've seen this clue in The Times and The Sunday Times.

Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.