Green’s Dictionary of Slang

nosey-my-knacker n.

also nose-my, noser my knacker
[rhy. sl.]

tobacco.

[UK]H. Mayhew Great World of London I 5: Splodger, will you [...] blow your yard of tripe of nosey-me-knacker, while we have a touch of the broads with some other heaps of coke at my drum.
[UK]‘Ducange Anglicus’ Vulgar Tongue.
[UK]Hotten Dict. of Modern Sl. etc. 145: NOSE-MY, backy.
[UK](con. 1840s–50s) H. Mayhew London Labour and London Poor I 418/1: [as cit. 1856].
[UK]J. Diprose London Life 74: [as cit. 1856].