whack

Universal Words verb, noun verb [VN] 1 (informal) to hit sb/sth very hard: She whacked him with her handbag. * James whacked the ball over the net. 2 [+adv./prep.] (spoken) to put sth somewhere without much care: Just whack your bags in the corner. noun [usuallysing.] (informal) 1 the act of hitting sb/sth hard; the sound made by this: He gave the ball a good whack. * I heard the whack of the bullet hitting the wood. 2 (BrE) a share of sth; an amount of sth: Don't leave all the work to her. Everyone should do their fair whack. * You have to pay the full whack. There are no reductions. * He charges top whack (= the highest amount possible). IDIOMS out of whack (AmE, informal) (of a system or machine) not working as it should because its different parts are not working together correctly \