Main Entry: knock off

Function: verb

Date: 1649

intransitive verb

: to stop doing somethingtransitive verb 1 : to do hurriedly or routinely <knocked off one painting after another>
2 : discontinue, stop <knocked off work at five>
3 : deduct <knocked off a little to make the price more attractive>
4 a : kill <knocked off two men…on mercenary grounds — Lewis Baker> b : overcome, defeat <knocked off each center of rebellion>
5 : rob <knocked off a couple of banks>
6 : to make a knockoff of : copy, imitate <knocks off popular dress designs>