Green’s Dictionary of Slang

madam v.

[madam n. (3) or Madame de Luce n.]

to tell the tale, to ‘pitch a line’; also phr., put on madame, to be assertive.

[[UK]Richardson Pamela I 133: I was again a little fluster’d; for in came the Coachman with the Look of a Hangman, I thought, and Madam’d me up strangely; telling me, he would beg me to get ready to pursue my Journey by Five in the Morning].
[UK]F.D. Sharpe Sharpe of the Flying Squad 332: ‘I madamed to him.’ – ‘I told him lies.’.
[Ire]J. Phelan Letters from the Big House 144: ’E says as ’is china bust a two-handful kite, Scotch jug, flutes the bogeys cause the jumper ses the moniker’s bent. Slung ’em the madam, an’ copped.
[UK]R. Llewellyn None But the Lonely Heart 163: ‘Now look here, son,’ she says, putting on a lot of Madam, ‘You just let me tell you something.’.
[UK]G. Kersh Fowlers End (2001) 60: One thing I don’t like is madam. Don’t madam me.
[UK]J. Franklyn Dict. of Rhy. Sl. 94/1: It’s no use you coming the madam with me.
[UK]A. Bleasdale Scully 26: ‘Good afternoon, madam.’ ‘Don’t y’madam, y’old Jew.’.
[UK]J. Morton Lowspeak 96: Madam – to tell lies [...] to spin a tale, to flatter.