A desire or urge for retaliation. To get even with somebody, payback time.
Don't make me go underwood on you.
by Rider Joe May 10, 2009
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A bitch that Sucks and rides dick with talent. Best one night stand or a girl to keep around.
That girls sex so good she's an Underwood!
by Zayummm December 11, 2014
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looking like or having the appearance of a horse
Damn, that Taylor is such an underwood.
by BonerJamsSummer2003 December 5, 2009
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Erection,
Slang inspired by country singer/american idol winner Carrie Underwood
Did you see the hot, blond American Idol singer? That Carrie gives me underwood!
by Jack Schmack December 29, 2009
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Banging a girl freakishly hard.
Matt gave Emily such an underwooding that she couldn't walk for 3 days.
by trapezoidtrust December 14, 2009
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A psychotic young man with no life and a strong interest in killing people with a cardboard sword. If the world were to end tomorrow, Underwood would rather play video games while sitting on top of the dead, rotten corpse of his roommate that is still decomposing in the other room... Right now. <.< >.>

Ahhhh... What a wonderful world.
OH SHIT! IT'S UNDERWOOD! RUN FOR YOUR FUCKING LIVES!!!
by I am Underwood. Fear me. May 21, 2009
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This is a pro move where it’s getting hot and heavy and she asks if you have a condom, but instead you sneakily tear an old business card to make it sound like you do.
“Did you use protection?”
Hell naw, I gave her the Underwood
by Over metal January 12, 2021
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