To fuck a girl and then at climax scream:
"YYAAAAAAAAAAARRRRRRRRRGGGGGGGGGGGGGGGG ".

It is also important to use the arm swining motion in conjunction.
The reason your grandma is in the hospital is because I inadvertently punched her in the face when I was Howard Deaning her.
by Tom Tom, not John John August 24, 2007
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just as the guy cums he lets out a Howard Dean yell. yahh!
you would not believe it. last night as my boyfriend cummed he did the Howard Dean.
by sawczy March 5, 2009
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verb - To scream in a primal death sort of fashion
I pulled a Howard Dean last night when I dropped a hammer on my toe.
by rightwinger July 29, 2004
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Better than Clinton,Gore or Kerry!
"YEEEEEEEEEEAAAAAAARRRRRRGGHHHHHHHH"
-Howard Dean

^An actual quote from Howard Dean
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adj. To lose one's self in a moment; to react with inappropriate emotion; to over react
It was a civilized discussion about bananaphones until Bill went Howard Dean on us.
by attilathahun February 4, 2004
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to loose control over one self and scream at people. usually it consists of screaming, YEAAAAAAAAAAAAAAAAAAAAAAAHHHHHHHH at the top of your lungs till your face turns red and you pass out. it is a condition that can't be cured.
You see the crazy guy over in the corner? yeah, man he is really howard dean'n now.
by Futami February 15, 2004
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YEAAAAAAAAAAAAAAAAAAAAA!!!!!!!!!!! is what he says.
...Then we're going to Washington D.C. to take back the White House! YEAAAAAAAAAAAAAAAAAAAAA!!!!!!!!!!!
by pimpness2021 February 2, 2004
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