Crossword Genius

They admit they're often punched (7)

Ross

I believe the answer is:

tickets

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

'they' is the definition.
Both the definition and answer are plural nouns.
Maybe you can see a link between them that I don't see?

I don't understand the remainder of the clue.

Can you help me to learn more?

(Other definitions for tickets that I've seen before include "Printed pieces of paper as issued for travellers" , "Permits" , "Notices" , "vouchers" .)

I've seen this clue in The Globe and Mail.
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