Definitions
Century Dictionary and Cyclopedia
- n. One who or that which dumps; specifically, atip-cart.
- n. In railroading, any form of tilting-, dumping-, or unloading-car, whether operated by hand or by power.
Wiktionary
- n. A small one-man diesel-powered vehicle often used to carry loads and material around, often on building sites.
- n. A dropper of rubbish, particularly not in landfill sites/recycling sites.
- n. One who would drop their boyfriend or girlfriend, the person in the couple who has finished the relationship.
GNU Webster's 1913
- n. same as dump truck.
WordNet 3.0
- n. truck whose contents can be emptied without handling; the front end of the platform can be pneumatically raised so that the load is discharged by gravity
Examples
“Oh my God, you've been dumped," she said, confirming what I already knew: I had indeed been dumped but not by a long-term partner or spouse; the dumper was a friend, or to put it more accurately, a former friend.”
“You are ucky to be living in this place, during this time and if you don't have any boils on your dumper, that is just icing on the cake.”
“The 'dumper' has usually procastrinated for some time and knows exactly why they have decided that the 'dumpee' is history.”
“We were not thrilled to see the "dumper" is coming back and are not looking forward to seeing Jason cry like on the previews!”
“Only 31, he was already a star, having helped pull NBC local news out of the ratings dumper.”
“The only thing that really puzzled me was the first sentence (Now that fur is back in vogue, I've been thinking about splurging on a coat this winter): If fur is back in vogue, then why are pelt prices in the dumper right now?”
“My current favourites are WotWentWrong, which allows dumpees to hassle their dumpers for answers via a third party the dumper provides their reasons for not calling them back, and the site sends the dumpee advice on how to do better next time, and NeverLikedItAnyway, a sort of eBay for the stuff that remains after a relationship dies, a ranty marketplace of engagement rings and I Wuv You teddies.”
“Speculation is running high that one song in particular, "Dear John," is about John Mayer -- 33-year-old singer, ex-Twitter addict, Jennifer Aniston/Jessica Simpson dumper, sometime Swift collaborator and rumored erstwhile boyfriend of the now 20-year-old.”
The Washington Post: Is Taylor Swift's 'Dear John' about John Mayer?
“It would be truly bizarre if you could compel me to enforce my property rights against a dumper.”
“It would be equally bizarre if the state took action to prevent you from asserting your property right because the dumper was rich and powerful.”
Lists
These user-created lists contain the word ‘dumper’.
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EN - pseudo-English words
English words used by foreigners in a different sense than they would be used by native speakers + madeupical "English" words that sound English but are not recognized as such by native speakers of...
abseiling, advertising, agroboy, airco, air-condition, relooker, apart, autogrill, autostop, babykiller, baby-foot, babylift and 263 more...
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IMCO - EU nomenclature
includes words of the "Prodcom list"
abaca, abdominal, abrasive, absorbent, absorber, accelerator, accessory, account book, accumulator, acebutolol, acetaldehyde, acetamide and 4515 more...
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Twitter favorites
The new favourite words of people on Twitter.
A script searches Twitter for "X is my new favorite word" and adds it to this list.
See also:
unfathomably, glice, cuh, fab, ciggaty, doll, thuggin, oxymoronic, pineapple, succubutt, griming, cheeky and 3063 more... -
The Waves
In the water. See also waves-and-waveforms.
comber, groundswell, wavelet, tidal wave, billow, breaker, seiche, mirobia, rolling wave, surge, swell, bow-wave and 40 more...
Tweets
Looking for tweets for dumper.

actung In surfing, "a wave that crashes down suddenly with great force, causing surfers to fall." Chambers Dictionary Sep 19, 2012