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1.)when a rather large group of ugly obese women join in any kind of meeting to put down all the young hot women in the surrounding area.
2.) when you go to some party that was supposed to be hip and rad but all the women look like festering hags.
1.) Oh jeez, they're getting ready to meet for the tuesday hag fest in the rec hall.

2.)Guy to friends: OMG did you go to Adam's party? It was a total Hag fest!!!! Gross!!!
by highclassbizzitch June 02, 2010
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