Green’s Dictionary of Slang

topping adj.

[SE top, 20C+ use is either ironic or consciously archaic]

excellent, enjoyable, first-rate.

[UK]T. Tusser Five Hundred Pointes of Good Husbandrie (1878) 107: A lesson for dairie maid Cisley, of ten topping gests.
[UK]Dryden Sir Martin Mar-all V i: A rare topping Health this: Come, Sir John, now you and I will be in our Altitudes.
[UK] ‘Satire on Benting’ in Wilson Court Satires of the Restoration (1976) 218: Benting, that topping favorite at Court.
[UK]N. Ward London Spy I 6: He [...] is mighty great with most of the Bankers and topping Goldsmiths about Town.
[UK]Humours of a Coffee-House 21 Nov. 60: This very Barbarian of a Brother is now become a Topping City Gentleman.
[UK]W. King York Spy 27: Another Sister, an Admirer of a Red Coat in Portugal, a topping Jade, sail’d out of the Tenement.
[UK]S. Centlivre Artifice Act IV: He keeps a topping House – He has humming March Beer, and deadly strong Cyder.
[UK]J. Dalton Narrative of Street-Robberies 39: Those which are call’d the topping Beauties of the Place, have no occasion for Men of his Occupation.
[UK]C. Johnson Hist. of Highwaymen &c. 188: The Taylor imagines he has got an excellent Job, as well as a topping Woman for his Lodger.
[UK] ‘The Cullies Invitation’ in Hop Garland 6: Nancy, Kate, and Nell, / dress up Brisk and Topping.
[UK]J. Poulter Discoveries (1774) 33: The Masoner then goes out, that they may have an Opportunity of telling the Farmer what a topping Dealer he is.
[UK]C. Johnston Chrysal I xiii: Jack Twist the rope-maker, who is now the toppingest man in all Radcliffe-highway.
[UK]G.A. Stevens Adventures of a Speculist I 7: That man was a topping jeweller once.
[UK] ‘Meg of Wapping’ Jovial Songster 69: She’d shine at the play, and she’d jig at the ball, / All rigg’d out so gay and so topping.
[UK]T. Whittell ‘Jenny Whinney’ Poetical Works 147: He is a true North Briton, / Sprung from a topping clan.
[US]Standard (London) 20 Oct. 1/2: He was a topping person in his way.
[UK]Egan Bk of Sports 85: The above Club [...] was well attended once-a-week by the ‘topping’ tradesmen of the town.
[UK]F.E. Smedley Frank Fairlegh (1878) 142: Even after all the ground she’s been over to-night, going a topping pace the whole time too, she wasn’t a bit off her feed.
[UK]G.A. Sala Gaslight and Daylight 141: That topping wine-merchant who ‘in London did well.’.
A. Clough Bothie and Other Poems (1896) 4: Shady in Latin, said Lindsay, but topping in Plays and Aldrich.
Hardy Under the Greenwood Tree II 136: I dont like her to come by herself, now she’s not so topping in health.
[UK](con. 1715) A. Griffiths Chronicles of Newgate 130: Most of them have very great estates, and are topping gentry.
[UK] ‘’Arry in Switzerland’ Punch 5 Dec. in P. Marks (2006) 97: I’d got hup on the toppingest scale.
[US]R.F. Outcault ‘Buster Brown’ [comic strip] Tige [...] says he thinks London is perfectly topping.
[UK]A. Brazil Madcap of the School 11: ‘Yes, it’s topping! Regular old country mansion sort of a place’.
[UK]‘Sapper’ Mufti 24: The League of Nations; or the triumph of Democracy, or the War to end War. They all sound so topping, don’t they?
[UK]Wodehouse Inimitable Jeeves 21: The weather continued topping to a degree.
[UK]E. Waugh Vile Bodies 133: That’s what I like about a really decent party – you meet such topping fellows.
[UK]V. Hodgson Diaries (1999) 4 Aug. 26: Examined the vegetable plot and the Hans Anderson Shelter. Really topping.
[Aus]Courier-Mail (Brisbane) 21 Sept. 4/6: ‘Topping,’ ‘spiffing,’ and ‘ripping’ seem to have died with bob Cherry and Tom Merry.
[UK]I. & P. Opie Lore and Lang. of Schoolchildren (1977) 181: Lord Russell of Liverpool (Daily Telegraph, 2 July 1953) justly remarked: ‘In my schooldays it was ‘topping’ and ‘ripping.’.
[UK]Beano 27 Dec. 1: A topping Christmas to one and all.
[Ire]H. Leonard Da (1981) Act I: He’s starting work. Oh, a toppin’ job: running an office.
[Ire]H. Leonard Out After Dark 112: We were great, he said. Oh, topping; grand, A.1.
[UK](con. 1910s) M. McGrath Silvertown 32: The yellow-haired girl follows them [...] singing in a jangly voice: Poplar is popular but Wapping is topping.

In compounds

topping cove (n.)

1. (Aus.) a senior figure, a leader (of a gang).

[Aus]‘Lela’ in Maitland Mercury (NSW, Aus.) 31 Mar. 2: The captain, or topping cove, had retrieved his large slouch hat .
[US]Dly Dispatch (Richmond, VA) 1 Nov. 3/3: A ‘topping cove’? [...] put him down as the chief of the party.
[Aus]Crowe Aus. Sl. Dict. 87: Topping Cove, [...] the head of a party.

2. see also compounds under topping n.2