knock off

verbs

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