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[bof] /bɒf/ Slang.
  1. a box-office hit.
  2. a joke or humorous line producing hearty laughter.
a loud hearty laugh; belly laugh.
verb (used with object)
to cause to be overcome with laughter.
to hit; strike.
Origin of boff
cf. boffo Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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British Dictionary definitions for boffing


(informal) short for boffin
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
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Slang definitions & phrases for boffing



  1. A blow with the fist or open hand (1920s+)
  2. A sex act; coupling: a quick bathroom boff (1950s+)
  3. laugh, esp one following a comedian's joke; boffola (1940s+ Show business)
  4. A joke or witty remark (1940s+ Show business)
  5. A show that pleases the audience; sockeroo (1940s+ Show business)


  1. : LaGuardia bade his cops to muss them up and boff them around on sight
  2. To do the sex act: professors boffing coeds in their offices/ I was trying for the world boffing championship (1930s+)
  3. To vomit; barf (1950s+)

[first and second senses echoic; show-business senses probably a shortening of boffo] See THROW A FUCK INTO someone laudatory n 1 A dollar or dollar bill : That's worth a million boffos (1920s+) 2 A year, esp a one-year prison sentence; Boppo (1920s+ Underworld) 3 A laugh, esp a loud laugh in response to a comedian; BOFF, BOFFOLA (1940s+ Show business) 4 A joke or a witty remark; BOFF (1940s+ Show business) 5 A successful entertainment; BOFF, HIT : her string of box-office boffos (1940s+ Show business) [fr a 19thcentury carnival term based on the idea of a good box office]

The Dictionary of American Slang, Fourth Edition by Barbara Ann Kipfer, PhD. and Robert L. Chapman, Ph.D.
Copyright (C) 2007 by HarperCollins Publishers.
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