Green’s Dictionary of Slang

master of... n.

In phrases

master of the black art (n.) [in DSUE, Partridge, who dates it 16C–17C, notes ‘the term is suspect’]

any beggar, irrespective of their ‘speciality’.

[UK]Farmer & Henley Sl. and Its Analogues IV 289/2: Master-of-the-black-art, subs. (old), — A beggar.
master of the mint (n.) [a pun on the SE herb]

a gardener.

[UK]Grose Classical Dict. of the Vulgar Tongue ms. additions n.p.: Master of the Mint, a Gardiner.
[UK]Grose Classical Dict. of the Vulgar Tongue (3rd edn).
[UK]Lex. Balatronicum.
[UK]Egan Grose’s Classical Dict. of the Vulgar Tongue.
[UK]Lincs. Chron. 10 Apr. 4/7: Why is the gardener’s the best trade? Because he is master of the mint, and of his own thyme.
[UK]Leeds Intelligencer 15 Apr. 12/6: I’m always master of the mint, my thyme’s my own.
[UK]Hotten Sl. Dict.
master of the novelties (n.)

a playful drunkard.

[UK]Eighth Liberal Science n.p.: He that is first to begin new frolicks, Mr of the Novelties.
[UK] ‘The Art of Drinking’ in Wit’s Cabinet 137: He that begins new Frolicks, Master of the Novelties.
master of the rolls (n.) [pun]

a baker.

H. Peacham Worth of a Penny in Arber Eng. Gamer VI 272: For a Penny, you may search among the rolls, and withal give the master good satisfaction. I mean, in the baker’s basket [F&H].
Derrick in Foster Goldsmith (5th edn) Bk III 167: ‘No, no,’ whispered Derrick, who knew him to be a wealthy baker from the city, ‘only for a master of the rolls’ [F&H].
[UK]Grose Classical Dict. of the Vulgar Tongue.
[UK]Lex. Balatronicum.
[UK]Jack Randall’s Diary 51: To Mr. Martin the Baker [...] Thou Master of the Rolls.
[UK]Pierce Egan’s Life in London 4 Feb. 845/3: A Miss Mary Anderson, a fair Cyprian, complained against a ‘master of the rolls,’ alias a baker, named Smart, for taking out of pawn her - ‘plain gold ring’.
[UK] ‘The Mill’ Museum of Mirth 45/1: ‘How do you bet your blunt?’ ‘Vy, I’m six to four on the dead man.’ ‘Why, I’m all for doughey myself.’ ‘Vat, de baker?’ ‘Yes, I’m down upon the master of the rolls.’.
[UK]‘Epistle from Joe Muggins’s Dog’ in Era (London) 24 Oct. 4/2: I az herd somethin ov a bit ov a rumpus between ther ‘Artful Dodger,’ [...] and ther ‘Master ov ther Rolls,’ who holds iz kort in Regent street.
[UK]Hotten Sl. Dict.
[UK]Sl. Dict.