1. knock off - Noun
2. knock off - Verb
cut the price of
take by theft
write quickly
get rid of (someone who may be a threat) by killing
stop pursuing or acting
Source: WordNetknock-off
We have to put people on pedestals; otherwise, there's no one to knock off pedestals. Dean Devlin
It's a fun thing to do: Go to a shooting range with a buddy, knock off a few rounds, release stress. Laurie Holden
Someone snitched my wallet! Source: Internet
She dashed off a note to her husband saying she would not be home for supper Source: Internet
He scratched off a thank-you note to the hostess Source: Internet
The mafia liquidated the informer Source: Internet