from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. Slang A line in a play or film, for example, that elicits a big laugh: "He doesn't go for the big boffs, artificially inflated, but lets his comedy build through a leisurely accumulation of bizarre details” ( Vincent Canby).
  • n. Slang A big laugh.
  • n. Slang A conspicuous success. Also called boffo, boffola.
  • transitive v. To have sexual intercourse with.
  • intransitive v. To engage in sexual intercourse.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • v. to have sexual intercourse (with someone)
  • n. a big laugh
  • n. a line in a film etc that elicits such a laugh

from the GNU version of the Collaborative International Dictionary of English

  • n. a hearty laugh.
  • n. a joke or gag line that produces hearty laughter.
  • n. something very successful, especially a box-office hit.


Probably from b(ox) off(ice).
From boff, to hit, variant of buff, from Middle English buffe, a blow, from Old French, of imitative origin.
(American Heritage® Dictionary of the English Language, Fourth Edition)



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  • Meant "to fart" in my playground - the same as guff. E.g. "Waa! Smells like old scotch eggs in here, who's boffed?"

    April 30, 2010

  • short for 'boffin' here

    April 28, 2010

  • Always used this is the sexual context, but it's also the shortened form of boffo.

    February 13, 2007