Crossword Genius

Fat monk loves eats (5,4)

Ross

I believe the answer is:

tucks into

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

'fat monk loves' is the definition.
I don't know anything about this answer so I can't tell whether this works.

'eats' is the wordplay.
I cannot really see how this works, but
'eats' could be 'tuck' (I've seen this before) and 'tuck' is present in the answer.
This explanation may well be incorrect...

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