Like a well built woman at work, holding a tin opener (5)

I believe the answer is:

busty

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

'holding a tin opener' is the definition.
The definition suggests an adjective which matches the answer.

'like a well built woman at work' is the wordplay.
I cannot really see how this works, but
'like' could be 'y' (similar in meaning) and 'y' is found within the answer.
'work' could be 'bust' (I have seen 'Work of art' mean 'bust' so perhaps 'work' could also mean 'bust') and 'bust' is found within the answer.
No letters remain.
This explanation may well be incorrect...

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