A large house party that friends all attend, get drunk, smoke weed, listen to loud music, and laugh the night away!
Wanna come to this fat party at my buddy Alex's Saturday night?
by starlorde222 February 27, 2016
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A type of party derived from the book Private by Kate Brian. A fat phoebe party is a party thrown by a friend for a friend when they are depressed. In this girls only party, chocolates, sweets, and champagne will be consumed.
Friend 1: My boyfriend broke up with me!
Friend 2: What? That JERK! It's okay, we can throw a fat phoebe party. Get out the cake and champagne, and spill girl, you have lots to talk about.
by cakecookiescream June 27, 2010
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A congregation of lonely, overweight girls, in which said girls get excessively intoxicated, cry about being fat and then consume excessive amounts of meat-lovers pizza, only to end up drunk-dialling men who are way out of their leagues for the shameful, unprotected sex that they seldom receive. A fat girl party often makes its way into a night club or bar, in hopes of achieving latter goals; these hopes often go unfulfilled – hence the need for more fat girl parties.
Eric: I went to a party on Friday night
Zach: Sweet, how was it?
Eric: Unfortunately, it was a fat girl party
Zach: Sorry to hear
by TheTruthAboutEverything November 7, 2009
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Noun: The fat obtained from overindulging, typically in alcohol. It is likely the root of the freshman fifteen.

Adjective: Describes general bloating due to partying. Targeted areas include the stomach and cheeks, but long term partying can lead to an overall increase in body fat.
Girl 1: Does this dress look good on me?

Girl 2: ...looks a bit tight.

Girl 1: I wish I could lose my baby fat.

Girl 2: That's not baby fat, that's party fat. Quit going out every night and do some sit-ups, you're starting to look like a fat bitch.
by McSantos April 22, 2009
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when two unfavorable, extremely fugly dykes get together by themselves, to trash talk an ex that they share. it is clearly not a party, since it only consists of two people, and the ex is neither fat nor a bitch but a beautiful, young woman who is a wonderful person. these poor, poor woman just have nothing to do but obsess over her, because they have no lives. one will live on to be a big time waitress, and be famous and rich and the other will grow a penis from all the rugby and steroids.
lee luw and ky guy from washington vagina attend Fuck you fat bitch party (ies)
by all that is wise February 3, 2011
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