knock one back

knock back

1. To drink something, usually an alcoholic beverage, quickly. A noun or pronoun can be used between "knock" and "back." Let's get together and knock back some cold ones tonight.
2. To physically force someone or something backwards. A noun or pronoun can be used between "knock" and "back." The rumbling of the earthquake knocked us all back.
3. To cost someone a particular amount of money. A noun or pronoun can be used between "knock" and "back." Geez, how much is this car repair going to knock me back?
See also: back, knock

knock one back

verb
See also: back, knock, one
References in periodicals archive ?
You can knock one back in no time, and your palate is ready for number two--or number four, for that matter.
As much as you may want to, it's not the done thing in polite society to hold your nose as you knock one back.