1. a worn-out horse, fit only for slaughter.
|Mr Mathews’ Comic Annual 18: I say, aggravating Sam, vot’s the worth o’ your two knackers. Vy, that von’s vorth fifteen shillings alive, and von pound five vhen dead.|
|Flash Dict. in Sinks of London Laid Open.|
|,||Dict. of Modern Sl. etc.|
|Prince of Wales’ Own Song Book 41: He owned a knacker – thorough-bred [...] With bony limbs and skinny head.‘The Browns Ruralising’ in|
|Illus. Police News 30 Mar. 3/3: He had a knacker belonging to ‘Coper Teddy’ to sell.|
|Dead Bird (Sydney) 20 July 2/4: A raw-boned goose-rumped knacker.|
|Dead Bird (Sydney) 22 Mar. 7/2: A pony which can donkey lick any 14 2 knacker in N.S.W.|
|Truth (Perth) 25 Feb. 8/8: But me cab and quiet knacker / As i do drive of a day.|
2. by ext. a worn-out, useless person.
|Bushranger’s Sweetheart 64: He ought to be sold and salted for being such a slow old knacker.|
3. (Aus.) a A$2 bill.
|‘Whisper All Aussie Dict.’ in Kings Cross Whisper (Sydney) xxxv 6/3: knacker: A two-dollar bill. A pound was known as a knicker and the ram showing on the two-dollar suggested the knacker.|
4. (Irish) a general insult aimed at a person.
|Snapper 46: Don’t think you can stroll in and out of here when you feel like it and shout language like a – like a knacker.|
|PS, I Scored the Bridesmaids 205: Boggers everywhere, in their county colours, like the knackers they are.|
5. (Irish) a traveller, a tinker.
|The Joy (2015) [ebook] [They] started exchanging a bit of rapid-fire patter, which me and Redser didn’t understand. It’s like they have their own bleedin language or something, those knackers. [Ibid.] ‘I’ve nothing against knackers, right? Live and let live, that’s my fuggin motto’.|
6. (UK juv.) a thief.
|Everyday Eng. and Sl. [Internet] Gouger (As used by Dublin Gardaí) (n): a dangerous knacker/thief.|
|OnLine Dict. of Playground Sl. [Internet] knacker (1) n. Unwashed thieving person, often said to be found living in caravans on laybys on B-roads in Britain.|