a.) possibly the greatest person you will ever meet. b.) a total weirdo who constantly quotes Spongebob. c.) takes interest in foreign affairs and death cab for cutie.
a.) Awww, sweet! eileen o'donnell is coming! Let's go hang out with her!
b.) Ughhh, make her shut up about freaking episode 47.
c.) "blah blah blah africa, blah blah blah death cab"
by Roy G. Biveeee August 10, 2008
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Lead singer and guitarist of the band Reeve Oliver, and current bassist/backup vocals of the band Yellowcard. He joined Yellowcard in summer 2010 for their reunion after a 2 year hiatus. During the hiatus him and Yellowcard frontman Ryan Key formed a side project band called Big If in which Sean was co lead singer. He also used to be in a band called Dogwood but left because he felt the songs he wrote didn't fit the band's style
Dude I'm listening to Reeve Oliver

what's a Reeve Oliver?

The new Yellowcard bassist Sean O'donnell's old band!
by ThatOneChick96 January 4, 2012
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A hot actor/celebrity who's been in the following popular movies:
Batman and Robin
Vertical Limit
The Bachelor

and etc.
I want to marry Chris O'Donnell because he's so hot!
by Chris' Lover January 13, 2006
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Someone with a huge nose that adds to a person's head weight by a couple pounds. Normal humans have brains in the middle of the skull but Nosy O'donnells have the brain right next to their nose. They tend to sniff around like dogs because their ancestors are half Blood Hound and half human. Finally, their noses are like a third hand and have superpowers.
"That kid Talha over there can flip a bottle with his nose." "OMG, he is a true Nosy O'donnell."
by Talhaakbar October 7, 2016
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The name given to a Bro-dette that likes to wear masculine clothes and participate in masculine activities. Often prefer tacos over burritos. They are sometimes mistaken as dykes.
Bro A: Dude check it out! That Bro-dette has the sickest bike and leather jacket. Not to mention the brotastic mullet

Bro B: Yeah, she's a total Brosie O'Donnell
by King of Fappers '94 December 8, 2010
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A man with the ability to have sex with anyone, at any time, any place.
by Roscommon the Wise April 11, 2017
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Rosie O'Donnell

A true definition for a dirty woman that supports homosexual unions, homosexual parents and the homosexual lifestyle.
Man, that chick is hot.

Stay far away from her, she's a true Lesbonic O'Donnell.
by Metamech July 3, 2006
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