Third-person singular simple present indicative form of knock down to size

Third-person singular simple present indicative form of knock into a cocked hat

Third-person singular simple present indicative form of knock down a notch

Third-person singular simple present indicative form of knock down a peg

Third-person singular simple present indicative form of knock oneself out

Third-person singular simple present indicative form of knock on heaven's door

Third-person singular simple present indicative form of knock one out

(colloquial, chiefly imperative, idiomatic) To cease doing something, particulary annoying or unpleasant; to desist.

Cease doing something, particularly annoying or unpleasant; desist.

To bump or strike something in such a way as to tip it / (slang) To rob; to stage a heist of.