(Australia, slang) The truth.
We get the dinkum oil off him. He knows all the jockeys and trainers and everything.
No comments yet — say something.
Add your own interpretation of "dinkum oil".
Regional slang from around the English-speaking world — British, Australian, Irish, Caribbean, Nigerian, Filipino, AAVE, and the hyphenated-English dialects that make the internet sound local.
See all Regional & Other slang on Slangora.
Browse all slang words starting with D.