Filling one's mouth with liquid and clapping the cheeks together to emit a misty spray of liquid into another's vicinity, like a fire-breathing dragon. Seems to have originated at small liberal-arts schools in the Northeast, possibly Dickinson or Middlebury College.
Dude One: "Bro why's your face all wet?"
Dude Two: "Some punk just clapped his cheeks together, and his eyes got all wide and he yelled "Frat Dragon!" in my face.
Dude One: "You got Frat Dragoned"
by Chewbacca21 December 5, 2010
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Popular exercise often performed by Frat Boys which involves standing in the squat rack for extended periods of time curling pitifully small weights. This activity pisses off serious weight lifters who want to use the squat rack for its intended purpose: squatting.
Last week there was this prettyboy doing frat-curls on my leg day, so I took him out back and shoved a barbell up his ass.
by JMB January 7, 2005
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When a sickness is passed around after attending a fraternity event.
Sarah: "Why is everyone so ill after this weekend?"

Anna: "oh you haven't heard? The frat flu is going around from ligma Chis event this weekend."
by EFC1222 April 27, 2021
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A college age female that frequents fraternities in order to have sex or hook-up with frat stars. Warning: may contain STD's.
Kris: Yo that girl Brie is hot!

Philip: Yeah, but she's a whore. I heard that Chad and his bros were hittin' that every which way.

Kris: Ohh, so she's a sorostitute then?

Philip: Naw, worse. She's total frat fodder.
by certifiedG January 20, 2011
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Someone who gets around, and often sleeps with members of a fraternity.
Person #1: Let's do some word association. Frat Mattress.
Person #2: Whitney
Person #1: Why?
Person #2: Because it just seems to fit.

or

Whitney is such a frat mattress.

by rusty bellige November 18, 2008
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Joey tried to frat dog Kayla, but she told him to bag it.
by Dan Teeman March 1, 2008
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A man who thinks he’s fuckin chill, but actually is a pussy fuck. Kids that think they "trap" but are actually those dudes drinking mikes hard and dancing to mainstream alternative music. Those dudes who consistently say things like “Squaa” or “Dank!”. In addition, any fuck that regularly talks about turning up or how he "got so fucked up" is a classic Boner in the Frat.

Drinking mikes hard=BITF
Drinking only beer=BITF
Ordering chocolate milk at a local food establishment=BITF
Duff=BITF
(1)Sarah: "He took 5 shots and hes already passed out in the bathtub"
Jim:"Wow, whata fuckin boner in the frat"

(2)Mike:"Damn, that dude just killed that entire handle and hes not even fucked up"
John:"That dude is no boner in the frat"
by FratCaptain November 13, 2014
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