bang
verb
bæŋ 
bæŋ Synonym
slamA window was banging somewhere (= opening and closing noisily).+ adjective The door banged shut behind her.bang something Don't bang the door when you go out!3 [transitive] bang something + adverb/preposition to put something somewhere suddenly and violentlySynonym
slamHe banged the money down on the counter.She banged saucepans around irritably.4 [transitive] bang something (+ adverb/preposition) to hit something, especially a part of the body, against something by accidentSynonym
bumpShe tripped and banged her knee on the desk.5 [transitive] bang somebody (taboo, slang) (of a man) to have sex with a woman Idioms
see beat/bang the drum (for somebody/something) at drum noun, bang/knock your/their heads together at head nounPhrasal verbs
bang about/around
to move around noisilyWe could hear the kids banging around upstairs.bang into something
to crash into or hit something by mistakeI banged into a chair and hurt my leg.bang on about something
(British English, informal) to talk a lot about something in a boring waySynonym
go onHe keeps banging on about his new job.bang somebody 
up
(British English, informal) to put somebody in prisonThey have been banged up for something they didn't do.bang something up
(North American English, informal) to damage or injure somethingHe banged up his truck.I banged up my knee pretty badly.
Usage note: hitknock bang strike bump bashThese words all mean to come against something with a lot of force.hit to come against something with force, especially causing damage or injury: The boy was hit by a speeding car.knock to hit something so that it moves or breaks; to put somebody/something into a particular state or position by hitting them/it: Someone had knocked a hole in the wall.bang to hit something in a way that makes a loud noise: The baby was banging the table with his spoon.strike (formal) to hit somebody/something hard: The ship struck a rock.bump to hit somebody/something accidentally: In the darkness I bumped into a chair.bash (informal) to hit against something very hard: I braked too late, bashing into the car in front.to hit/knock/bang/bump/bash against somebody/somethingto knock/bang/bump/bash into somebody/somethingto hit/strike the ground/floor/wall