1955 People (Austral.) 7 Sept. 23/3 These are the trogs, as they cosily call themselves,..members of the Sydney Speleological Society, the Sydney University Speleological Society, [etc.].

1956 L. McIntosh Oxf. Folly 15 This charm school would have been rather a brilliant thing to do... After all, these trogs lead such dreary lives.

1957 J. I. M. Stewart Use of Riches i. ii. 23 You've been listening to some disgusting trog being beastly about Rupert, and now you're parroting him.

1960 D. Potter Glittering Coffin vi. 89 Trinity..infrequently admits a ‘trog’ (in other words a grammar school boy).

1961 M. Dickens Heart of London iii. 277 Nobody mixes, I mean really mixes with the trogs.

1962 J. Fleming When I grow Rich xv. 173 One of the trogs appointed himself foreman.

1967 Guardian 30 May 2/4 I am thoroughly disgusted. Yesterday I saw two long-haired trogs, one with a ribbon in his hair, wearing the red frock-coats of the Chelsea Pensioners.

1981 M. Duffy Gor Saga 87 He'd given her the morning after pill and the little trog had just kept it... She would stick him with a paternity order.

1983 Granta vii. 17 The scowling vandals, bus-stop boogies, and soccer trogs malevolently lining the streets.

1958 Tararua 28 For shelter, hillmen may seek a trog, a large overhanging boulder or bluff giving shelter like a cave.

1971 N.Z. Listener 19 Apr. 56/5 They found a possie in a bit of a trog and boiled-up.

1965 Sun 8 June 7/7 For Mods and Rockers you can now read Trogs and Thunderbirds... A teenager I know explained it to me yesterday: ‘Mods do a lot of sleeping out, camping.’

1966 Daily Tel. 14 Apr. 23/3 The young people, who called themselves ‘trogs’ after the word troglodyte, cave dweller, could be found in the caves at weekends with about 50 permanent ‘residents’.

1984 P. Beale Partridge's Dict. Slang (ed. 8) 1265/2 Trog v...Army, (? orig. esp. Intelligence Corps), since ca. 1950... Trog along = to march heavily laden. Trog for walk, as in ‘he was just trogging along, minding his own business.’

1986 ‘J. Gash’ Moonspender iv. 39 You can tell when a bloke's following a bird, can't you? Nodding and beaming as they trogged, I watched them.

1986 ‘J. Gash’ Tartan Ringers xxi. 141 An old woman who came trogging up carrying an infantry officer's telescope.

1987 Sunday Times 29 Mar. 10/5 Saudi newspapers..made much of the fact that Charles had trogged all the way out to Gatwick and set a precedent.

1989 Mizz 4–17 Oct. 21/1 Upset-the-apple-cart Uranus trogs over your love-planet Venus this year, and there are more ups and downs to come.