knock down

knock someone or something down

to thrust someone or something to the ground by hitting. The force of the blast knocked us down. It knocked down everyone in the room.

See also: knock

knock something down 

1. Sl. to drink a portion of liquor. Here, knock this down and let's go. He knocked down a bottle of beer and called for another.

2. Sl. to earn a certain amount of money. I'm lucky to knock down twenty thousand. She must knock down about twenty thou a year.

See also: knock

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knock something down also knock down something

1. to show that an idea or opinion is completely wrong He knocked down my business plan, saying I couldn't raise the money to do it. Every time I make a suggestion, you knock it down.

2. to reduce the price of something or the amount you want for something He usually charges $50, but he knocked it down to $40. He wanted $300 for the ring, but we got him to knock down the price.

Etymology: based on the literal meaning of knock something down (to cause a structure to fall)

See also: knock