The O’Donnell is a humanlike predator of older and often deteriorating in health women. The O’Donnell studies charismatic humans, often celebrities, and learns their ways to help draw in their prey. With their learned charisma, which includes flamboyant dances, oversized smiles, and counterfeit laughs, The O’Donnell is able to lure elderly women away from their husbands, doctors and retirement homes. While the initial intention appears to be a sexual advance, the unlucky women who falls into the trap of The O’Donnell quickly finds out it isn’t sex they are after, but rather their bank account.
example #1:

Grandson: "My grandmother doesn't have enough money to send me a gift for my 10th Birthday"
Friend: "Sounds like she met an O'Donnell"

example #2:
elderly woman: "I really thought I was going to score with that young-Tom Cruise-looking fella, but then he started asking about my life insurance policy.... Must be an O'Donnell"
by thepreacherman June 27, 2012
Usually a person with a Big nose, and annoying voice, does not like to share his money which he hoardes. He has a Gold chain around his neck becuase he is from a certain descent. Small Weener and likes the Male type. Has rattish features, Hence the nick name "RATTY FATTY".
Wow why is that rat walking on two legs and wearing a gold necklace.

He must be a Odonnell

Yes he must he does after all have a big nose
by VikKy RezZyy September 29, 2011
An unwelcome and decidedly unsexy thought that pops into an individual's mind while masturbating
I was lustfully rubbing myself when I had an odonnell about my overdue student loan and couldn't finish the job
by DEChick October 21, 2010
The clotty vignal discharge of a yeast infection.

Also, an extreme right wing, anti-mastubation Senatorial candidate from Delaware.
I wanted to sleep with her but she said she had O'donnell.
by LA Watcher October 18, 2010
Former Pittsburgh Steelers quarterback who threw 4 interceptions in the Superbowl against the Dallas Cowboys.
O'Donnell was clearly paid off by the mob to throw those interceptions in the superbowl. No quarterback could take his team to the big game & throw 4 interceptions without doing it on purpose.
by rex ingeniosum November 25, 2003

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