Green’s Dictionary of Slang

cod v.

[cod n.2 (3)]

1. to cheat, to defraud.

[UK] (ref. to 18C) in J. Ware Passing Eng. of the Victorian Era.

2. (also codd) to tease, to hoax.

[US]C. Abbey diary 29 July in Gosnell Before the Mast (1989) 204: We have two green hands, boys, who [...] are regularly conned, quizzed, & ‘codded’.
Eve. Citizen 28 Nov. n.p.: Codding a town Council. [...] The Rev. [...] preached an eloquent and appropriate sermon to the Council from these words in the 10th chapter of St. Matthew: – ‘Ye are of more value than many sparrows’ [F&H].
[US]Cincinnati Enquirer 7 Sept. 10/7: Kidding, Codding, Guying – Making fun of; telling in all seriousness what is intended for sarcasm; praising when the opposite is meant.
[UK]The Stage 21 Aug. in Ware (1909) 82/2: ‘Cod’ is peculiar as a word signifying ironical chaff, and perhaps it has not much to recommend itself beyond its brevity.
[US]W.C. Gore Student Sl. in Cohen (1997) 5: cod v. To deceive; to tell preposterous stories to.
[UK]Crissie 99: ‘What a pert little minx it is! Trying to cod me, eh?’.
[Aus]Truth (Sydney) 9 Dec. 7/3: Tbem old bar ‘maids,’ as they calls ’em, / Cods the young ’uns on to write / For to fetch some fresh ones over.
[UK]Marvel III:56 29: Do you cod yourself you’re a highwayman or what – eh?
[US]B.L. Bowen ‘Word-List From Western New York’ in DN III:vi 439: codd, v. To deceive; to dupe. ‘Oh, you can’t cod me.’.
[Ire]Joyce Ulysses 308: Who tried the case? says Joe. – Recorder, says Ned. – Poor old sir Frederick, says Alf, you can cod him up to the two eyes.
[Ire]S. O’Casey Shadow of a Gunman Act I: Oh, now, you’re on for coddin’ me, Mr. Davoren.
[Ire]‘Flann O’Brien’ At Swim-Two-Birds 109: Oh by Gorrah you can’t cod me.
[Ire]‘Myles na gCopaleen’ Faustus Kelly in ‘Flann O’Brien’ Stories & Plays (1973) 122: Yerrah, now, you’re coddin’ me surely. You’re trying to take a rise out of me.
[US]J.P. Donleavy Ginger Man (1958) 180: You’re just trying to cod me.
[Ire](con. 1940s) B. Behan Confessions 85: The Jewish girl searched every inch of our faces to be sure we weren’t codding her.
[Ire]T. Murphy Morning After Optimism in Plays: 3 (1994) Scene v: You’re codding me now?
[Ire]H. Leonard Out After Dark 2: Cloggy said: ‘You’re coddin’.’.
[Ire]R. Doyle Van (1998) 619: Wipe your feet, said Jimmy Sr. – Only coddin’ yeh.
[Ire]F. Mac Anna Cartoon City 27: Get away. You’re codding me right?
[Ire]L. McInerney Blood Miracles 93: ‘You better be codding me.’ ‘I’m not codding you,’ says Ryan.
[Ire]L. McInerney Rules of Revelation 241: ‘Sure I’m only codding you’.

In derivatives

codology (n.)

teasing, hoaxing; nonsense.

B. Moore Judith Hearne 80: Ah, but you want to see the codology that's goin' on these days in my digs, yon big streel of a Yank [...] and that old blether of a Miss Hearne [...] I tell you, you never seen the like of it, one ould fraud suckin' up to the other.