Green’s Dictionary of Slang

boodler n.

[boodle n.1 ; US use late 19C; Aus. use 1920s+]

1. a swindler, specializing in passing counterfeit notes.

[US]G.P. Burnham Memoirs of the US Secret Service 347: He ventured to collar Wightman, knowing him, of old, to be grand Sachem among these ‘boodlers’ or confidence men.
[US]Wichita Eagle (KS) 5 July 2/4: The boodler is generally a pretty smart sort of fellow, as it takes a smart man to be a successful rascal.
[UK]Farmer & Henley Sl. and Its Analogues.
[US]F. Norris Moran of the Lady Letty 227: Over $100,000. We’re rich— rich as boodlers, you and I.
[Aus]Sun. Times (Perth) 1 July 4/7: Mr. Norton would move for a Royal Comission to inquire into the political and pecuniary purity of Mr. Holman, the member for Cootamundra, one of the most incorrigible boodlers in the House.
[US]B. Fisher A. Mutt in Blackbeard Compilation (1977) 49: The great ‘caught with the goods’ scene, in which Tobaco surprises a pair of boodlers, who have been paid to be surprised.
[US]Day Book (Chicago) 14 July 1/2: The convicted boodler is pleading that the board of prison directors [...] liberate him.
Police Jrnl 234: these incubators of infamy in which we have been breeding the boy bandit, the baby burglar, the youthful embezzler, boodler, gunman, gangster, blackmailer [etc.].
[Aus]Argus (Melbourne) 2 Jan. 6/6: The boodlers of the Stock Exchange and the VCR.

2. (also boodle) a corrupt politician.

[US]Courier-Journal (Louisville, KY) 6 May 4/8: [headline] Chicago Boodler Trials.
[Aus]Truth (Sydney) 29 Apr. 4/2: The Freetrade Boodlers are still condemned to flit about the frozen shades of Opposition.
[US]Ade Artie (1963) 63: He turned out to be a boodler, eh?
[US]Wash. Times (DC) 11 Dec. 1/5: Milwaukee Boodler Gets Year in Prison. Former Alderman William Murphy had been convicted of soliciting and accepting a bribe.
[Aus]H. Lawson ‘The Individualist’ in Roderick (1967–9 II) 330: ’Tis the cant of the Calico Jimmy, of the Fatman with front as of brass, / Of the parson, the boodler and lawyer, and the hopelessly dull middle class.
[NZ]N.Z. Truth 21 July 1/8: And what a row the boodlers made.
[Aus]Truth (Melbourne) 31 Jan. 2/6: While the scare lasted the boodlers thought they might as well make as much of it as they could.
[US]L.C. Wimberly ‘American Political Cant’ in AS II:3 135: Their words, such as ‘boodler,’ ‘buncombe,’ ‘junketing’.
[US]Wentworth & Flexner DAS.