Crossword Genius

Let's play havoc, starting to monkey around! (3,2)

Ross

I believe the answer is:

hit it

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'let's play' is the definition.
I know nothing about this answer so I can't judge whether this works.

'havoc starting to monkey around' is the wordplay.
'starting' indicates taking the first letters.
'to monkey' becomes 'titi' (titi is a kind of monkey).
'around' shows that the letters should be reversed in order.
The initial letter of 'havoc' is 'h'.
'titi' backwards is 'itit'.
'h'+'itit'='HIT IT'

Can you help me to learn more?

(Other definitions for hit it that I've seen before include "'But WG - - for six!'" , "Come to the right conclusion" .)

I've seen this clue in the Sydney Morning Herald.
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