Knock off Meaning, Definition & Usage

1. verb get rid of (someone who may be a threat) by killing
   neutralize; liquidate; do in; waste; neutralise.
   
   • The mafia liquidated the informer
   • the double agent was neutralized
2. verb cut the price of
   shave.
   
3. verb take by theft
   cop; glom; thieve; hook; snitch.
   
   • Someone snitched my wallet!
4. verb write quickly
   fling off; dash off; toss off; scratch off.
   
   • 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
5. verb stop pursuing or acting
   drop.
   
   • drop a lawsuit
   • knock it off!

WordNet