You might knock on a door or window to get someone’s attention or to signal to them that you want to be let inside (or out!). Succesful knockin' is called being " knocked " or being "knocked' out". It is also used in several idioms. a retailer who knocked down the price by 20 percent; firefighters who knocked down the fire enough to search the house. (i) A phrase used to introduce a "knock knock joke" (i) A phrase utilized in lieu of slamming (example. How to use knock around in a sentence. 2. knock knock in Community Dictionary an insult or a threat that one tells to someone else. Knock means to strike something by bumping into it or colliding with it. Knock about definition: to wander about aimlessly | Meaning, pronunciation, translations and examples to drink (a beverage), especially quickly and heartily: to sell at auction by a blow of the hammer or to a bidder. Can I have some?" When I got knocked up, the whole town knew about it. If an engine is knocking, it is producing a…. One can feel free (to do something); go ahead; one can do something for as long and as much as one likes. The act of trying to convince a prostitute that you would be a better pimp for her than her current pimp. to blow the head (of a sailing vessel) off the wind. to give a sounding or forcible blow to; hit; strike; beat. fiending for drugs or just acting square. to knock off a couple of stories in a day. I knocked off at six o'clock after studying for four hours; What time do you knock off in this factory? Knock at my window at eight o'clock and I'll be ready. — Seth Worley (@Awakeland3D) September 24, 2009. Several people had a motive to knock him off. How to use knock in a sentence. <