Green’s Dictionary of Slang

an act of cheating.

1823		N.-Y. Eve. Post 17 May 2/1: Yankee tricks; latest edition. -- The following are facts, without names, which we are informed took place, literally and truly, as we shall relate, without embellishment. We publish them by way of putting the unsuspicious inhabitants of Gotham on their guard against the tricks that are sometimes played off on their credulity, by the people of the land of wooden nutmegs.
1905		J.W. Carr ‘Words from Northwest Arkansas’ in DN III:i 101: Yankee-trick, n. A contemptible act.

Americanized.

1922

John O’London’s Weekly 22 Feb. 576: Mexico is being slowly but surely ‘Yankeeized.’.

Paris.

1909

J. Ware Passing Eng. of the Victorian Era.

salt pork and molasses.

1905

Queenslander (Brisbane) 19 Aug. 45/3: Salt pork and molasses is called Yankee relish.

(Aus./N.Z.) a round of drinks where each individual buys their own drink; anything where people pay for themselves (cf. Scotsman’s shout under Scotsman’s adj.).

1919		Mail (Adelaide) 19 July 8/5: On Thursday night [...] a number of young people arranged a ‘Yankee Shout’ dinner party at the Grand Central Hotel.
1927		Mirror (Perth) 24 Dec. 13/5: The birth of the ‘Kentucky’ or ‘Yankee’ shout [...] giving the modern girl the opportunity of still joining parties with her young friends, but on an equal footing.
1930		Advertiser (Adelaide) 11 Mar. 13/2: The habit of the Yankee shout or the Dutch treat, when members of a party each paid for their own, has spread.
1941		N.Y. Herald Trib. 29 June 9/2: If you want to buy a friend a drink, you say, ‘I’ll shout you to a drink.’ If he buys you one, he ‘shouts,’ and if you both pay for your own it’s a Yankee or Scotsman’s shout.
1951		Advertiser (Adelaide) 2 Aug. 10/6: Lis Lindsay has fixed a Yankee shout dinner party.
1957		‘Nino Culotta’ They’re a Weird Mob (1958) 132: ‘You shoutin’?’ ‘Yankee shout,’ said Dennis. ‘If there is to be shouting,’ I said, ‘perhaps I had better not go. I have had sufficient beer.’ ‘That’ll be the day when you get beer at the pictures.’.
2003		McGill Reed Dict. of N.Z. Sl.

(US gay) the open mouth of a climaxing male.

1972		B. Rodgers Queens’ Vernacular.
1986–7		Maledicta IX 61: Yankee’s yawn n [R] Open mouth of climaxing male; homosexual slang.

(Aus.) an form of illicit racetrack gambling based on dice, thus Yankee Sweat man, the proprietor of such a man.

1873		Irish Harp & Farmers’ Herald (Adelaide) 13 June 3/1: Yankee sweat, three cards, and the three thimbles and little pea are, I suppose, innocent amusements, which do not call for the intervention of the Press.
1882		Mercury (Hobart) 24 Nov. 3/4: He had seen a game played with dice [...] known as ‘Yankee dice.’ The dice wore not loaded. [...] He could not say if they were dice used by what was known as ‘the talent.’ The game of Yankee sweat was played with three dice and sometimes four.
1883		Gippsland Mercury (Sale, Vic.) 7 Apr. 3/5: Do you know what ‘Yankee sweat’ is? I can enlighten you. It is a game played with three dice by peculiar visaged and somewhat unornamental people at country sports.
1889		Sth Canterbury Times 20 Sept. 3/1: A man [...] pleaded guilty to a charge of playing an unlawful game at the races yesterday to wit a game with dice and table, known as ‘Yankee Sweat’.
1892		Nat. Advocate (Bathurst, NSW) 18 Feb. 2/3: [T]he ‘Yankee sweat’ man [...] that frantic individual who, with book in hand and bag round neck, yells to an appreciative circle — ’I’ll lay! I’ll lay!’.
1937		C. Drew ‘The Chameleon’ in Bulletin 3 Novt. 4/1: [T]here was some sharpshooters on the flat. There was blokes who ran blackboard totes, monkey-sweep men, tip-sellers, under-and-over merchants, three-board artists and Yankee-sweat men, all combined in a frontal attack on the geese with the golden eggs.
1949		Barier Miner (Broken Hill, NSW) 9 Apr. 4/5: ‘Yankee Sweat ’ / A man [...] was arrested [...] on a charge of playing ‘Yankee Sweat,’ an allegedly illegal game.