Top Definition
When a chick, who is usually fat, gets skinny, then fat than skinny again. But she always ends up fat for a while, suffering from not being able to stay skinny. Named for Oprah's constant wait loss and eventaul regain.
Ted: That cow Hillary is fat again! She was skinny last week!
Pat: Poor bitch has Oprah Winfrey's Disease! She can't keep the wait off.
by APT October 12, 2005

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