Definitions
American Heritage® Dictionary of the English Language, Fourth Edition
Wiktionary
GNU Webster's 1913
- adj. slang highly successful; superbly well done.
WordNet 3.0
- adj. resoundingly successful and popular
Etymologies
- Alteration of boff1. (American Heritage® Dictionary of the English Language, Fourth Edition)
Examples
“For all the latest numbers from Up's "boffo" box office run, domestically and internationally, go to Box Office Mojo.”
“Anthony's also got a followup entry at his blog: "[W] hat I neglected to mention in the story is that most of the films have not exactly done 'boffo' business.”
“Anything to do with Krusty the Klown's gotta be, in his words: "boffo"!”
“Actually there is a degree of ammbiguity about the term "boffo" or at least about the root "boff".”
I'm in My "What a Median Means" Mode - The Austrian Economists
“JACK CAFFERTY, CNN ANCHOR: If a critic was writing a review of the Microsoft earnings report, "boffo" would be the word that comes to mind -- boffo.”
“KING: Also what if you go "boffo" when you meet her?”
“The guy who gave that "boffo" speech that so impressed her according to SourceWatch.”
“[T] he films in this year's Oscar race seem to suggest the world is more globally unified and polyglot than ever before," writes Anthony's also got a followup entry at his blog: "[W] hat I neglected to mention in the story is that most of the films have not exactly done 'boffo' business.”
“Most jazz, these days, is released on small labels, few of which are generating any kind of boffo profits.”
Lists
These user-created lists contain the word ‘boffo’.
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EN-HU - important words for a HU inte...
Words only (I left out the expressions) from Geza Kerenyi's EN-HU interpreters' dictionary. Most of them pose some difficulty when interpreted between HU and EN in either or both directions.
abalone, abrasive, abstractionist, abstruse, abysmal, academia, accessibility, accessible, acclimate, accolade, accompanist, achiever and 1469 more...
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MuffinBurns's list
Words to dreams
rapture, cove, tingling, pahutakawa, pang, khop kun kop, hella, boffo, nirvana, flood, synchronicity, sysiphus and 9 more...
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Funny Laughter Words
Words that speak humor
humor, laugh, funny, laughter, hilarity, guffaw, chortle, giggle, burst, hilarious, happy, chuckle and 66 more...
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Vega's Logophile Dictionary
Words I've heard/read in use, words being learnt, words that I want to eventually use in everyday language, words that are high-brow and elitist and scholarly and obscure, words that display the wo...
parsimonious, torpor, recalcitrant, plebeian, vitriol, gumption, augur, aestival, celerity, diaphanous, farrago, nonpareil and 287 more...
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Just 'cause I like 'em, B
bloviate, bejesus, brouhaha, behoove, bodacious, bamboozle, banshee, bub, bolus, blob, bubbly, bleb and 414 more...
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lanklenmot's Words
ineluctable, prelapsarian, bien pensant, prospero, preternatural, gratifying, iconoclast, cineast, persnickety, tumescent, galvanize, pap and 887 more...
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Nicknames Robin Should Use in Jira
Because he's running out of ideas.
sparkle, plugger, boffo, knobber, bindypop, zork, go, Tamaguchi, impostor
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harveythechainsaw's Words
lickspittle, syllogism, redounds, boffo, maw, flibbertigibbet, elan, phalanx, plinth, wonk, janjaweed, madreporic and 142 more...
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Pop Culture
Comic strip character names and words, along with modern slang oddities.
rowrbazzle, pogo, rhinocerwurst, bitchin', cowabunga, joe btfsplk, churchy la femme, howland owl, porky pine, miss mamselle hep..., shmoo, unobtanium and 390 more...
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Dewdroppers, Waldos, and Slackers
A decade-by-decade guide to the vanishing vocabulary of the 20th century. From Rosemarie Ostler's book of the same name.
nickelodeon, ivory tickler, alley-oop, horse opera, gun opera, boffo, boston version, jitney, cakewalk, tin lizzie, automobubbling, shirtwaist and 21 more...
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noggie42's Words
kleptocracy, zeugma, shilly-shally, hierophant, maunder, periwinkle, verisimilitude, diphthong, flippant, ludicrous, kreplach, gullet and 69 more...
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Interesting ones
As a second language, thank you.
ergophobia, quoz, pope, wobble, logos, vertebrate, masterpiece, mu, billabong, mojo, merkin, milieu and 76 more...
Tweets
Looking for tweets for boffo.

seanahan Used by Ford Prefect to describe a beach in California, I believe. Mar 22, 2008
bilby "Rock Hudson later starred with John Wayne in The Undefeated (1969), but not before 'the Duke' made his military-entertainment masterpiece The Green Berets (1968), which enjoyed the full backing of the Vietnam-embattled Department of Defense. With loads of military input, The Green Berets proved to be, said Variety, a 'whammo' and 'boffo' box-office success. Critics, however, almost universally panned it. One New York Times film reviewer went so far as to call it 'so unspeakable, so stupid, so rotten and false in every detail… vile and insane.'"
- 'The Golden Age of the Military-Entertainment Complex', Nick Turse, 2008. Mar 21, 2008