clean skin

Noun

cleanskin (plural cleanskins)

1. (Australia) An unbranded animal.
   • No one had any clear notion of how many head might be collected, but we counted on something over four hundred--possibly up to five hundred and fifty, including calves and cleanskins.1921, Joseph Furphy, Rigby′s Romance, Gutenberg Australia eBook #0607461h

   Synonyms:

   clearskin

2. A person who does not have any tattoos.
   • If you're under 18 in Victoria you must now remain a cleanskin. The Government has just passed a bill that minors must not be tattooed with or without their parent's consent.1962, The Bulletin, page 20
3. Someone with no prior criminal record, a person with no previous convictions; loosely, someone who has not done anything wrong before, an unblemished character.
   • Ryan′s natural father was a cleanskin – a police term for a person with no criminal history – who found himself caught up in the world of career criminals when he married into The Clan.2007, Poul Anderson, Shocking Australian True Crime Stories, page 169
4. (Australia, New Zealand) An unlabelled bottle of wine.
   • Mr McKenzie said that two years ago a decent bottle of sauvignon blanc sold for $15 to $20, but today prices were down to $10 a bottle. "More cleanskins entering the market is the first indication there is too much SB out there," he said.2010 April 16, Teresa Ooi, The Australian
5. An undercover police officer who has not done a particular task before.
6. A cricket bat with no maker's logo