а. пить (большое количество жидкости) How can Gordon knock back eight pints of beer every Saturday afternoon while he watches the football game on television? б. стоить кому-л. That car must have knocked her back a few pounds!
KNOCK BACK
Англо-русский перевод KNOCK BACK
Мюллер. English-Russian Muller's dictionary bed edition. Англо-Русский словарь Мюллера редакция bed. 2012