dinkum oil n.
(Aus.) the honest truth, true facts.
|Sydney Morn. Herald 2 Oct. 9/5: ‘Dinkum Oil‘ Trench Newspaper [...] No. V, vol. 1, of ‘Dinkum Oil’ war news, June 23, published in the trenches on the Gallipolli Peninsula by the Ausralians.|
|Aussie (France) 4 Apr. 3/2: An’ if they wants ta argue much, you send him up ta me. / I know the real square dinkum oil. So there yer are! Compree!|
|(con. WWI) Somme Mud 323: Snow [...] gives us the dinkum oil about the dinner.|
|N.Z. Truth 29 Apr. 1/5: He may be putting across the dinkum oil.|
|Cobbers 117: Gold. The Dinkum Oil, as they say here. The Real Mackay.|
|We Were the Rats 79: I’ve gotta give ya the dinkum oil.|
|Till Human Voices Wake Us 50: I got to know the fair dinkum oil about the New Zealand prison service.|
|I Travelled a Lonely Land (1957) 232/2: dinkum (dinky, dinkum oil) – true or truth.|
|Holy Smoke 42: Not even the Chaldeans – who was sorta court stargazers, like our Met Office – could give him the dinkum oil about ’em.|
|Best of Barry Crump (1974) 266: It was hard at first to believe it wasn’t some kind of act he was putting on, but no, it was the dinkum oil all right.‘Bastards I Have Met’ in|
|Dict. of Kiwi Sl. 36/2: dinkum genuine or fair, often expressed as fair dinkum, dinky-di and dinkum oil (the truth).|
|Lingo 55: The terms dinkum oil or the good oil [...] are said by linguists to be a transfer of the use of oil to ensure the efficient running of a machine to the need to have good information in order to fight effectively.|
|Reed Dict. of N.Z. Sl. [as cit. 1988].|