Show it's duck meat (6)

I believe the answer is:

oliver

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

'show it's' is the definition.
I can't tell whether this definition defines the answer.

'duck meat' is the wordplay.
'duck' becomes 'o' (resembles zero - 'duck' in cricket).
'meat' becomes 'liver' (liver is a kind of meat).
'o'+'liver'='OLIVER'

Can you help me to learn more?

(Other definitions for oliver that I've seen before include "Dickens boy who asked for more, and a musical comedy" , "-- Reed, actor" , "One taking pride in food" , "Musical based on the story of Dickens boy" , "Dickens boys who asked for more" .)

I've seen this clue in the Evening Standard.

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.