Something so ridiculous that you have to put a donkey in it
That mexican girl was redonkulous; she needs a donkey in her
by Donkeyrider February 5, 2010
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(adj.) Something that is extremely, plaid speed heinous or ridiculous.
Look at that lady's hat. That shit is redonkulous.

It's hardcore redonkulous how many times I have to submit my definitions before they are finally fucking approved.
by himguy November 8, 2006
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1: The combination of the terms "ridiculous" and "badonkadonk" into a word that is the extreme form of ridiculous.

2: An slang word of "ridiculous" used for emphasis.
"Man, that girl, she's got a redonkulous behind."

"That party tonight was redonkulous."
by Big CB September 15, 2007
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a more meaningful rendition of rediculous. just sounding cooler.
"dude those shoes are soo cool they are redonkulous
by Chris February 4, 2005
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extremely ridiculous, almost to the point of disbelief or absurdity; originated in the Bay Area of Northern California with a group of friends from Miramonte High School in the mid-90s; popularized by the creators of the Thursday Night Sports Party www.thursdaynightsportsparty.com.
That slam dunk he made from half-court while wearing a blindfold was redonkulous.
by TaytaT November 14, 2009
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completely idiotic, unbelievable.
The refs in that basketball game made some redonkulous calls.
by Brylicious September 26, 2009
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(adj.) Something that is extremely, plaid speed heinous or ridiculous.
Look at that lady's hat. That shit is redonkulous.
by himguy October 29, 2006
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