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Originally used to describe a certain tribe of wild individuals found in Kentucky mountain regions. Daniel Boone once described them as a race of wild hairy giants, well known for bad behavior and violent or fiendish actions against early pioneer settlers. Term now often used to describe an individual who displays bad or antisocial behavior.
"When the player threw the ball at the referee, he was acting like a Yayhoo."
Yayhoo by BFRP February 9, 2010
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An ignorant, uncouth and uncivilized individual. A hillbilly. Trailer trash. A wild drunken fool. An ill-tempered or willfully irresponsible Oaf. A Hayseed. A Rube.
Those Yayhoos pissed all over my lawn and driveway.
Yayhoo by garagehero May 24, 2010
(noun) A stupid person.
Spelled many different ways, this being the most found on google.
You are a yayhoo. Those yayhoos don't know anything
yayhoo by kwhubby May 31, 2004
A crazy, dumb, and/or wild person under the influence of cocaine.
That party was kicking until those yayhoos crashed it.
yayhoo by Funthrax January 11, 2007
Someone that says yahoo a lot, generally crazy, but a good crazy? And easy on the eyes.
Izzy the Bartendress is such a yayhoo. There she goes again with the ‘yahoos!!’
Yayhoo by cs49 August 2, 2025

Yahoo News 

A collection of pointless, poorly-written news articles meant to entertain someone suffering from extreme boredom. It is not to be thought of as news, as the writers of its articles clearly must not believe they are actually writing news stories.
I ran out of homework and I had already played five hours of mario kart so I figured i woul just peruse some yahoo news.
Yahoo News by Informed,kinda November 25, 2011

Yahoo answers

A useful novelty created by Yahoo that was designed for those who are curious about the things in this world but are too afraid to ask. Also, this allows people to share their knowledge with the rest of the world. Unfortunately, after December 19, 2006, the day the message boards died, trolls now need a new home, so it looks like Yahoo Answers are about to be hijacked by ignorant trolls.
Typical questions found on Yahoo Answers BEFORE Dec 19, 2006:

How do I cook Korean food?
What is the best way to speak French fluently?
Who will win the Super Bowl?

Typical questions found on Yahoo Answers AFTER Dec 19, 2006:

Which website has the best gay asian porn?
Why do negro people smell like gorilla feces?
If I look at me sister and I get an erection, will I go to hell?
More from Urban Dictionary

briefcake 

"Did you check out the briefcake in courtroom C?"
briefcake by Ben Frey April 6, 2006
Word of the Day on November 3, 2026
Brought to public attention by Bob Woodward and Carl Bernstein in the book on the fall of Richard Nixon, All The President’s Men, ratfucker was Nixon’s term for a political operative who sows chaos among opponents; an agent provocateur. It is thought to have originated among campus political rivalries at USC, and seems to have some usage in the US military.
Along with Nixon’s other ratfuckers, Roger Stone caused fights at otherwise peaceful Democratic Party protests to generate a false narrative that the Democrats were violent and dangerous.
Ratfucker by Ricky Ramjet November 2, 2017
Word of the Day on November 2, 2026
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