Green’s Dictionary of Slang

no chop phr.

[Hind. chhaap, a print, and thus a seal, notably that which is placed on first-rate merchandise]

(Aus.) no class, second-rate.

[US]J.H. Nicholson ‘Bunkum in Parvo’ in Opal Fever 115: I don’t care a button, Chinese are no chop.
[Aus]‘Rolf Boldrewood’ Robbery Under Arms (1922) 17: There’s good and bad of every sort, and I’ve met plenty that were no chop of all churches.
[Aus]J. Furphy Such is Life 7: Mac’s no great chop.
[Aus](con. 1830s–60s) ‘Miles Franklin’ All That Swagger 317: All the no-chop bankers’ and clergymen’s sons are mustered there.

In phrases

not much chop

of no great value.

[Aus]Bulletin (Sydney) 4 Dec. 8/4: Woman was orginally made out of rib, or chop. Even now-adays there are some women who are ‘not much chop’.
[Aus]Laverton Mercury (WA) 18 Nov. 2/4: Going across country is not ‘much chop’ - this is my opinion, having just negotiated the return journey after a considerable amount of ‘scrub-dashing’ with a bicycle.
[Aus]Sun. Times (Perth) 14 Jan. 4/7: The pritty [sic] girls on land don’t look much chop in the water.
[Aus]T.E. Spencer ‘Liza’ in Budgeree Ballads 84: I used to deal in bottles, but I gave that line a rest. / Empty bottles ain’t much chop.
[Aus]Western Mail (Perth) 30 Nov. 2/1: If you get leave to visit the Big Smoke, buy some decent strides. You wouldn’t be much chop in them new pants they’re issuing.
[Aus]A. Marshall These Are My People (1957) 142: I’m not much chop on pies, but I’m a toby on puddin’s.
[Aus]A. Buzo Norm and Ahmed (1973) 25: They’ve improved a lot, these clubs. Twenty years ago they weren’t much chop.
[UK]A. Bleasdale Scully 191: They’re not much chop.
[Aus]J. Byrell (con. 1959) Up the Cross 114: The next few arvos in the bar [...] weren’t much chop mainly because of the general down mood of the boys.
[NZ]McGill Dict. of Kiwi Sl. 27/2: not much chop of little value; from Anglo-Indian ‘first chop’, first rate, from Hindi ‘chhap’, a print, seal or brand.
[Aus]P. Doyle (con. late 1950s) Amaze Your Friends (2019) 82: He shook his head. ‘Not much chop, are you?’.
[Aus](con. 1945–6) P. Doyle Devil’s Jump (2008) 100: ‘They were all shit [...] Weren’t they?’ ‘Well, yeah, they weren’t much chop, pal.’.
[NZ]McGill Reed Dict. of N.Z. Sl. [as cit. 1988].
[Aus]L. Redhead Thrill City [ebook] He lied about finishing an important chapter — either that or his muse wasn’t much chop.