bang off, Chiefly British Slang. immediately; right away.
    bang on, Chiefly British Slang. terrific; marvelous; just right: That hat is absolutely bang on.

Origin of bang

1540–50; 1930–35 for def 5; compare Old Norse banga to beat, hammer, Low German bangen to strike, beat, German dialect banken; perhaps orig. imitative

Synonyms for bang Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for bang on

bang on

adjective, adverb British informal

with absolute accuracy
excellent or excellently
Also (US): bang up




a short loud explosive noise, as of the bursting of a balloon or the report of a gun
a hard blow or knock, esp a noisy one; thumphe gave the ball a bang
informal a startling or sudden effecthe realized with a bang that he was late
slang an injection of heroin or other narcotic
taboo, slang an act of sexual intercourse
get a bang out of US and Canadian slang to experience a thrill or excitement from
with a bang successfullythe party went with a bang


to hit or knock, esp with a loud noise; bumpto bang one's head
to move noisily or clumsilyto bang about the house
to close (a door, window, etc) or (of a door, etc) be closed noisily; slam
(tr) to cause to move by hitting vigorouslyhe banged the ball over the fence
to make or cause to make a loud noise, as of an explosion
(tr) British
  1. to cause (stock prices) to fall by rapid selling
  2. to sell rapidly in (a stock market), thus causing prices to fall
taboo, slang to have sexual intercourse with
(intr) slang to inject heroin, etc
bang for one's buck informal value for moneythis option offers more bang for your buck
bang goes informal that is the end ofbang goes my job in Wapping
bang one's head against a brick wall to try to achieve something impossible


with a sudden impact or effectbang went his hopes of winning; the car drove bang into a lamp-post
preciselybang in the middle of the road
bang to rights slang caught red-handed
go bang to burst, shut, etc, with a loud noiseSee also bang up

Word Origin for bang

C16: from Old Norse bang, banga hammer; related to Low German bangen to beat; all of imitative origin




a fringe or section of hair cut straight across the forehead

verb (tr)

to cut (the hair) in such a style
to dock (the tail of a horse, etc)

Word Origin for bang

C19: probably short for bangtail short tail




a variant spelling of bhang
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for bang on



1540s, "to strike hard with a loud blow," from a Scandinavian sourse akin to Old Norse banga "to pound, hammer" of echoic origin. Slang meaning "have sexual intercourse with" first recorded 1937. Bang-up "excellent, first-rate," 1820, probably shortened from phrase bang up to the mark. The noun is recorded from late 16c.

This is the way the world ends
Not with a bang but a whimper

[T.S. Eliot, "Hollow Men," 1925]
Online Etymology Dictionary, © 2010 Douglas Harper

Medicine definitions for bang on


[băng, bäng]Bernhard Lauritz Frederik 1848-1932

Danish veterinarian who discovered Brucella abortus, the agent of brucellosis in cattle and of undulant fever in humans.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Idioms and Phrases with bang on


In addition to the idioms beginning with bang

  • bang away
  • bang for the buck
  • bang into
  • bang one's head against
  • bang out
  • bang up

also see:

  • beat (bang) one's head against the wall
  • get a bang out of
  • go over big (with a bang)
  • more bang for the buck
The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.