What is the meaning of Knock_off?

To halt one's work or other activity.

To kill.

To defeat.

To remove, as a discount or estimate.

To rob.

To make a copy of, as of a design.

To assign (an item) to a bidder at an auction, indicated by knocking on the counter.

To have sex with (a woman).

To accomplish hastily.

To remove (something or someone) by hitting.

Nonstandard form of knockoff.

Source: wiktionary.org