Definitionen
1.NounOne who makes knickknacks, toys, etc.
2.NounOne of two or more pieces of bone or wood held loosely between the fingers, and struck together by moving the hand.
3.NounA harnessmaker or saddlemaker; their place of business (e.g., saddlery).
4.NounOne who slaughters and (especially) renders worn-out livestock (especially horses) and sells their flesh, bones and hides.
5.NounOne who dismantles old ships, houses, etc. and sells their components.
6.NounAn itinerant person, especially one of Irish Traveller heritage.
7.NounA person of lower social class; a chav, skanger, or similar.
8.NounA testicle.
9.NounAn old, worn-out horse.
10.NounA collier's horse.
11.VerbTo tire out, exhaust; to beat up and use up (something), leaving it worn out and damaged."Carrying that giant statue up those stairs completely knackered me.; That table that I was going to put the statue on may not suffice, as it's completely knackered."
12.VerbTo reprimand.