1 definition by ray jr.

knock it back

take a drink of liquor in in one swallow, or very quickly

Marlowe woke up on the floor with a hangover and throbbing from a blow to the head. He poured half a tumbler of bourbon and knocked it back. Not a cure but would have to do for first aid.
(past tense of "knock it back")

by ray jr. December 11, 2009