The butt, or more specfically, the anus of an organism; usually human.
"Jenna totally got a nice heaping of cock up her dumper lastnight, so she's rather sore today."
by Veen August 29, 2003
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A word used to offend a McDonald’s employee.
“Wow look at that dumper Behind the counter
by Dildojac December 31, 2020
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Charlie: Yo dead ass, Daniella you got no dumper
MarkAnthony: Word but dead ass you really dont
Potter: Nah but i know some bitches who got some ill ass dumpers
Mikey: Laura, do i have cackie in my dumper?
by SCWALLLEEEY November 7, 2009
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Anything bad, of poor-quality, disgusting, or bad.

Can be any part of speech, as the word "dumpers" does not have any rules attached to it.

Also be sure to notice that the pluralization of "dumpers" is inverted.
This show on ABC is dumpers!
Eww, cats are dumper.
Im going to take a dumpers.
Wow, look at that dumpers!
The way you do your homework is dumpers.
Nothing is more dumpers than that living room.
by Jean Descole January 13, 2011
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One who dumps, or shits, in someone else's pool or property.

Word from Big Black after someone shits in his and robs pool.
Some dumper just shit in my pool

There's a shit in the pool... DUMPER
by Tshaw1436 June 19, 2009
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A woman with a nice size chest, for example some double D's
Damn!! Look at shawty she got some dumpers.
by Young Nova October 18, 2008
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Jargon for an erratic and extravagant gambler.
The first night in Las Vegas he was wildly tossing around bets like a dumper.
by Paul Kusinitz January 24, 2003
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