1 definition by thepreacherman

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
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