Definitions
American Heritage® Dictionary of the English Language, Fourth Edition
- interj. Chiefly British Used in greeting or parting.
Wiktionary
- interj. UK, New Zealand, Australia, informal a greeting or parting
- n. New Zealand A small saveloy often consumed with tomato sauce at parties, also known as a cocktail sausage or a little boy.
WordNet 3.0
- n. a farewell remark
Etymologies
- Alteration of cheer. (American Heritage® Dictionary of the English Language, Fourth Edition)
Examples
“The cheerio is robust enough to float in your milk for some time without succumbing to the dreaded cereal sog, an enemy of mine that rules out the eating of any "flake" cereal.”
“My presonal favorite are the multi grain ones, though the humble standard cheerio is much loved in my house too.”
“Long before we were all fearful and protective and the world was fraught with recalls over choking hazards and worries of childhood diabetes brought on by too much sugar and whole grains were hailed as the new food messiah, the cheerio was the perfect cereal, designed with all of that in mind and more.”
“Just be thankful that "cheerio," "gor'blimey" or "jolly good" didn't show up, since we all know you also use them in every bloody sentence.”
“Unless your reason for living is to play the foil to a self-described cheerio pisser, just let it pass.”
“LOL if your smarts was fuel you would not have enough fuel to power a piss ants motorcycle to do a figure eight inside a cheerio hole.”
“Or if your brains were fuel you would not enough fuel to power a pissants motorcycle to do a figure eight inside a cheerio hole.”
Think Progress » Beck calls Bush a ‘progressive,’ says Obama is doing ‘exactly’ the same thing.
“Oh please dont make me wait,,,, i hate warnings give me more of the same. if your brains were fuel you would not have enough fuel to power a piss ants motorcycle to do a figure 8 inside of a cheerio hole.”
“The best part is watching them eat a cheerio like a tiny donut using their little opposable thumbs.”
“Cameron is a smug self rigteous twit who was a truck driver up here in Ontario (after dropping out of college) and wormed his way into the industry through various dubious means (look them up they are everywhere online). cheerio from ontario.”
Lists
These user-created lists contain the word ‘cheerio’.
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Sue's favorite words
panache, flair, pantaloons, periwinkle, pumpernickel, persnickety, cachet, coquette, élan, iris, ambrosia, keen and 99 more...
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UK - slang
chin wag, arse about, bollock, starkers, sweet Fanny Adams, skive, shufti, codswallop, rhyming slang, bollocks, nookie, skew-whiff and 208 more...
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UK Usage - Find US Equivalent
All these terms have a (different) American English equivalent. Wonder if you can identify them?
abridgement (abri..., accoutrement, accoutre, acknowledgement (..., opposite, advert, adaptor, adapter, sticking plaster, advertise, adviser (advisor ..., adze, aesthete and 1196 more...
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Genes
Interesting gene names. Some of these may have changed recently (to something less offensive/funny).
http://www.genenames.org/
tinman, agnostic, dreadlocks, Van Gogh, fruitless, lava lamp, ariadne, cheap date, ken and barbie, I'm not dead yet, I'm not dead yet 2, manic fringe and 1192 more... -
Words sung by: Belle and Sebastian
beguiling, herbaceous, peninsula, suffragette, damascan, hastening, berserk, overtime, leccy, bestow, swathe, arab strap and 193 more...
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generationnext's Words
petulant, vehement, pensive, lascivious, vacillate, histrionic, satiated, svelte, lithe, zeitgeist, viscous, sommelier and 526 more...
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Autantonyms
Words with mutually exclusive double meanings. Also, here are some:
QUASI-AUTANTONYMS: slow up/slow down; bar/debar; bone/debone; burn up/burn down; fat chance/slim chance; fill in/fil...clip, cleave, sanction, handicap, fast, jibe, secrete, aloha, bimonthly, bolt, cheerio, commencement and 141 more...
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strangelyrouge's Words
glockenspiel, gewgaw, jetsam, flotsam, gripe, grab, wench, whilst, betwixt, hither, thither, yonder and 1034 more...
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And another
retrocausality, brusque, gainsay, cheerio, jaundiced, chamois, caw, craw, fudge, bubbler, shebang, bolo and 244 more...
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Two years
Okay, I admit it. I made a list of words my daughter knew when she was two years old.
bat, baba, a, abalone, about, acorn, adrienne, after, again, airplane, alison, all and 694 more...
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A Dalliance of Dahlias
For more flower fun, see these lists:
Rose words by mollusque
Rose varieties by mollusque
Tulip Names I
Tulip Names II: You Know My Name
A Myriad of Iriia la mode, ace o' hearts, acclimation, adhesion, admirable, adorable you, advance, affirmed, after glow, agricola, alabama melody, alabaster queen and 1152 more...
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persnickety parlance
behoove, ebullient, insouciant, insipient, froth, quandary, quixotic, tendril, maktub, furrow, furl, anastrophe and 1076 more...
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Rogue's Words for bonnie lads n lassies
tinchel, glen, sassenach, guddle, brae, bonnie, eejit, deerhound, hoonds, lassie, laddie, heiland and 188 more...
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C is for Caddyshack
My C Words
cavalcade, charlie browniest, cakewalk, clambake, caboose, cadaver, caddyshack, cadillac, cahoots, calaboose, cannonball, canopy and 145 more...
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greetings & salutations
of one word
greetings, salutations, hello, hola, 'ello, g'day, hiya, hi, 'sup, howdy, yo, bonjour and 14 more...
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Across the Pond
Silly stereotypical Britishisms.
jolly well, bloody, chap, i say, blimey, bollocks, governor, love, cheerio, good day, righto, spot of tea and 8 more...
Tweets
Looking for tweets for cheerio.

Prolagus Song quotation on canopy. Jun 9, 2009
dontcry I don't know why you say good-bye
I say hello.
Target has totally ruined this song for me...*sniff*
*makes a mojito and goes out to the porch* Jun 14, 2008
dontcry Ciao! Jun 14, 2008
gangerh You say goodbye and I say hello. Jun 14, 2008
Prolagus There's a reference to this word in one of the list with the best names ever. Jun 14, 2008
yarb I have never heard this used to mean 'hello'. Jun 14, 2008
oroboros Like aloha, a contronym meaning both hello and goodbye. Jan 31, 2007