Adjective
Something insane, incomprehensible, potentially dangerous, not thought out, or overall shady yet completely genius, well thought of, and unforgettable.
Ken: What the hell man? That plan of yours was a real Busey. I can't believe were not in jail... or dead!
by Ken Steckal November 24, 2007
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Something said in place of a curse word or used at any time to break the silence.

First seen on an episode of Venture Bros; said by Brock out of frustration.
When Niki hit her funny bone on the counter, she yelled out, "Ahhh... Busey!"

by E-Rock and ya don't stop October 29, 2008
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When an individual is nasally congested, and they must breathe only through their mouth while they sleep, much like the regular breathing habits of Gary Busey.
"Man, I'm stuffed up, and I Buseyed all night, so now my throat is sore and I'm all dried out."
by Fathawgimus December 15, 2017
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Pertaining to a state in which one holds a capricious - but nonetheless strong - liking, inclination or desire. Usually used with a meaningless modifier such as all, totally, or mad.

See Also: Gary Busey
"I'm glad we stopped here to eat. I've been Gary Busey for their pizza all week"

"He's totally Busey for her; he writes about her every day in his blog"
by ThePants May 28, 2005
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To instantaneously turn your head quickly to stare at someone with a manic look on your face.
Adam pulled a "busey" on me when i lit a joint in the car.
by adambomb66 September 25, 2011
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The nether region of a woman with a large vagina and pubic bone resulting in a bulbous mound. i.e. A "clump" of epic proportions.
Look at that bikini on Mary. Nothing can hide her busey!
by Nitz_Ritz June 25, 2009
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A drinking game that combines flip-cup and beer pong. Two teams compete at beer pong and when a cup is made it initiates a game of flip-cup. If the team that wins the sinks the cup also wins the flip-cup game, then the cup may be removed from the table. If a player shoots three times and misses all three times, they have to finish their beer and rotate to the back of the line. Conceived at the University of Illinois at Urbana-Champaign.
We all got hammered playing Busey.
by Illini#1 February 23, 2013
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