Definitions
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; a clapper.
3.nounA harness maker.
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.nounA member of the Travelling Community; a Gypsy.
7.noun(Northern English) A person of lower social class; a chav, skanger or scobe.
8.noun(chiefly in the plural) A testicle.
9.nounA collier's horse.
10.verb(UK slang) To tire out, exhaust."Carrying that giant statue up those stairs knackered me out"
11.verb(UK slang) To reprimand."Digital giants Dstv and Vision Group’s Bukedde Television didn’t go untouched with the former lashed for laxities in re-connection especially in cases where a subscriber renewed their subscription by Mobile Money, while the latter got knackered for promoting witchcraft and witch doctors. ( http//trumpetnews.co.ug/2017/03/16/1615/ )"