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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the swagger of a remotely good looking girl that tends to be a little thirsty for attention from men. She gets obsessed over guys that show her any bit of attention.
Dude: Mary keeps stalking me throughout campus. She's hot, but she definitely has fat girl swag.
by zazzzzzzz October 6, 2010
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when your dancing in a club, pick out the fattest cunt you can, start grinding up against her as if she has got a chance with you, once the song finshes or you get bored, pull her in close and whisper in her ear, "your the fattest, ugliset cunt in here" then hold on tight and watch her go beserk!! fat girl rodeo has begun and you gotta see how long you can hold on for without letting go!!
by Jamie619 May 16, 2008
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When, at a dance, a party, or at school, a boy of a group finds the nearest fat/chubby girl and proceeds to place his finger in a stabbing jesture on her back/shoulder.
The boy may run back to his group so when the girl turns around, he may point and laugh at one of his other friends, turning the blame on him.

Very damaging to the girl's self esteem unless they can take a joke.
Chubby Girl: "I was chillin' with Diana and Joe at homecoming when some random dude fat-girl-poked me!! *cries*"
Chubby Girl's Friend: "What?? Who was it??"
Chubby Girl: "I don't know! He ran back into that group of guys who were just laughing!! *points and cries more*"
by Xeneelk October 21, 2006
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when your fucking a fat girl from behind and you get a good grip around her neck and whisper in her ear "your the fattest most disgusting girl ive ever seen" and you try to hold on for your life
i bet we could have a good fat girl rodeo with that fatass bitch over there
by samuel l jackson January 28, 2004
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When you're dancing or having sex with a really fat (and ugly) girl, and you're being really Romantic. Then, after a while, you go behind her, hug her round her neck and whisper sweetly into her ear saying something like...

"You're reeaaallly fat"

...And you have to see how long you can hold on
"Dude, I was having a hardcore session of fat girl rodeo at the club last night, you should'a seen her man, thank god she counldn't reach me."

Or..

My fat girl rodeo record with her is like a whole minute or something, you would have thought she'd have learnt the game by now...
by ZeroG91 September 1, 2006
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burp felt in the back of throat. partially vocalized with mouth open or when one speaks. found mostly within the fat female gender.
I really*fat girl gurgle* love*fat girl gurgle* this cheeseburger with my diet coke*fat girl gurgle*
by Megan Bosher January 15, 2008
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