dinkum oil
Proposed by a contributor, not yet supported by evidence.
Meaning · English
The truth.
Register: slang
Where it’s used:
Used
Australian English
Examples
We get the dinkum oil off him. He knows all the jockeys and trainers and everything.
Usage example from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30)
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30 via kaikki.org).
Common questions
What does “dinkum oil” mean?
The truth.
Is “dinkum oil” formal or informal?
dinkum oil is generally slang.