knock one out knock out knock outs knock over knock people knock sensor knock so knock some sense knock some sense into him knock some sense into you knock someone knock something knock that off knock that out knock the door knock the hell knock them knock them dead knock them down knock them off knock them out knock things knock this out knock three times knock twice knock up knock us knock us off knock us out knock wood knock you knock you around knock you off knock you out knock you over knock you right out knock you up knock your block off knock your head knock your teeth knock your teeth out knock yourself knock yourself out knock yourselves knock yourselves out knock-down knock-knock knock-knock joke knock-knock jokes knock-off knock-offs knock-on knock-on effect knock-on effects knock-out knock-out mice knockdown knockdowns knocked knocked about knocked again knocked around knocked at the door knocked away knocked back knocked down knocked down by a car knocked first knocked her down knocked her out knocked her unconscious knocked her up knocked him knocked him off knocked him out knocked him unconscious knocked himself out knocked his head knocked it knocked it down knocked it off knocked it out knocked it over knocked loose knocked me knocked me back knocked me off knocked me out knocked me over knocked me up knocked myself knocked off knocked off course knocked on his door knocked on the door knocked on your door knocked one knocked out knocked out cold