Green’s Dictionary of Slang

1. rich.

1606		Wily Beguiled 19: Ile fit my selfe to the olde crummy Churls humors, and make them believe Ile persuade Lelia to marry Peter Ploddall, and so get free accesse to the wench at my pleasure.
1791		‘Brother Rook’ Willy Wood & Greedy Grizzle 4: Until at length a crummy dame / Fann’d up his passion to a flame, / Or rather ’twas the golden dart / Of Mammon prob’d his sordid heart.

2. fat, fleshy; plump; attractive.

1748		Dyche & Pardon New General Eng. Dict. (5th edn).
1773		Harris’s List of Covent-Garden Ladies 78: A fine, bouncing, crummy wench.
c.1786		Grose Classical Dict. of the Vulgar Tongue ms. additions n.p.: Crummy. Fat, a fine Crummy Wench, a fat Woman. He has picked up his Crumbs finely. He has enriched himself of late .
1787		Harris’s List of Covent-Garden Ladies 123: A little of the crumby cast, which does not extend beyond a desirable plumpness.
1788, 1796		Grose Classical Dict. of the Vulgar Tongue (2nd, 3rd edn) n.p.: Crummy. Fat, fleshy. A fine crummy dame; a fat woman. He has picked up his crumbs finely of late; he has grown very fat, or rich, of late.
1809		B.H. Malkin (trans.) Adventures of Gil Blas (1822) I 21: But she had youth and a good crummy person on her side.
1811		Lex. Balatronicum [as cit. 1788].
1823		‘Jon Bee’ Dict. of the Turf, the Ring, the Chase, etc.
1835		‘The Rakish Gentleman’ in Knowing Chaunter 44: There’s Mrs. Brown, the doctor’s wife, She’s frisky, round, and plump, / So I call on her for my breakfast bit – / Oh, she’s such a crummy lump.
1845		R.S. Surtees Hillingdon Hall I 54: Not that Batsay’s werry crummy, but there’s a good lot on her.
1848		Flash Dict. in Sinks of London Laid Open.
1859		Matsell Vocabulum 23: crumey [sic] Fat; pockets full; plenty.
1865		Leaves from Diary of Celebrated Burglar 158/2: A cross-tempered, crummy-faced coster-monger.
1865		H. Kingsley Hillyars and Burtons (1870) 227: You’re crumby [...] but there’s not too much on it yet [...] you’ll never be what any man of taste would call fat.
1870		Hotten Sl. Dict.
1886		‘’Arry at Stonehenge’ in Punch 28 Aug. in P. Marks (2006) 85: That crumby young caution, Poll Jones.
1888–94		‘Walter’ My Secret Life (1966) I 159: ‘What d you want?’ ‘To feel your cunt [...] see your legs, feel that crummy rump of yours, cookey.’.
1890		Dead Bird (Sydney) 26 Apr. 4/2: Miss Gwendoline Gush, in her own golden locks, / Looked lovely and slap-up and crummy.
1898		J.D. Brayshaw Slum Silhouettes 55: She’s a crummy comfortable sort o’ a woman.
c.1900		‘Ramrod’ Nocturnal Meeting 56: There were six of us girls, all rather good-looking [...] trust Master George and his friends for picking out crummy pieces.

3. satisfactory.

1856

Melbourne Punch 20 Nov. 3/3: ‘Proposals for a New Slang Dictionary’ [...] O.K. —Adj. To rights, proper, stunning, of the right sort, prime, all serene, crummy, some, out-an-out, scrumtious, &c, of the initials of the old English words, Orle Korrect.