knock off knock off /nɑːk ɔf/

verb

1. () [Informal] Get rid of (someone who may be a threat) by killing  ( neutralise [British] , neutralize , waste , do in , knock off [Informal] , liquidate )
   get rid of (someone who may be a threat) by killing
    The mafia liquidated the informer
   The mafia liquidated the informer
    The double agent was neutralized
   the double agent was neutralized
   
2. () [Informal] Cut the price of  ( shave , knock off [Informal] )
   cut the price of
   
3. [Informal] Stop pursuing or acting  ( knock off [Informal] , drop )
   stop pursuing or acting
    Drop a lawsuit
   drop a lawsuit
    Knock it off!
   knock it off!
   
4. [Informal] Write quickly  ( dash off , fling off , knock off [Informal] , scratch off , toss off [Informal] )
   write quickly
    She dashed off a note to her husband saying she would not be home for supper
   She dashed off a note to her husband saying she would not be home for supper
    He scratched off a thank-you note to the hostess
   He scratched off a thank-you note to the hostess
   
5. [Informal] Take by theft  ( cop [Informal] , hook [Informal] , knock off [Informal] , glom [Informal, N. American] , snitch [Informal] , thieve )
   take by theft
    Someone snitched my wallet!
   Someone snitched my wallet!