To bump or hit to make certain that anything drops down
To quit; stop doing work or other activity. The term originated from the practice aboard slave galleys to have a man beat time for the rowers by knocking on a block or drum; when he stopped, the rowers could rest.
To kill some one
To reduce or pull
to produce a duplicate of, by a design.
to stop (working).
to complete; -- frequently used once the task is accomplished quickly.
to eliminate; to beat (opponents).
to discount, to subtract (a sum from a cost).
in order to make a knockoff of; to duplicate or copy, typically without authorization or entry of copying.