• informalwe can watch the game and knock back a few beersswallowgulp downdrink (up)quaffguzzleslugdownswigdrainswill (down)toss offscarf (down)
knock someone/something down
he deliberately knocked down the display of toilet paper in aisle 3fellfloorflattenbring downknock to the groundknock overrun over/downdemolishpull downtear downdestroyraze (to the ground)levelbulldoze
knock it off!
• informalit's not funny anymore, so just knock it off!stop it informalcut it outgive it a restpack it inthat's enoughlay off
knock someone out
1.1I hit him and knocked him out
knock unconscious, knock senseless; floor, prostrate, put out cold, KO, kayo