knock off

verb

1. 1

   stop pursuing or acting

   drop a lawsuit

   knock it off!

2. 2

   get rid of (someone who may be a threat) by killing

   The mafia liquidated the informer

   the double agent was neutralized

3. 3

   write quickly

   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

4. 4

   take by theft

   Someone snitched my wallet!

5. 5

   cut the price of