A non-contagious but highly destructive disease that causes its host to fly off the handle on impulse; symptoms include irrational pendulum-swinging, outbursts of libertarian ideology, hyperbolic ranting, and making a ton of rhetorical waffles.
Andrew Sullivan's response to the removal of Branden Eich was a textbook case of Sullivanitis.
by Dish-reader April 10, 2014
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A name for the kind of guy that is awesome in every single way possible. Not even joking. He's the kind of person you just want to hang around with and simply do everything with. Mostly because he's sexy as hell and talks like some kind of college graduate.Also super-smart and is friggin hilarious too. He has so much swag that when he walks down the street, people would throw their cash and exclaim "Dayum he good". He will always be everyone's coolest friend for the rest of eternity.
Whoa did you see Sullivan back there? Dayum he good.
by Mr grinch June 22, 2014
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The act of making a female ejaculate from her vagina.
Also, discrete way for talking about female orgasms near inappropriate audiences.
"Hey Raves, Mary Jane still doesn't know I told you about that time I made her sullivan."

"He's so cute he makes me want to sullivan."
by 411NERD October 03, 2010
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Sullivan is the most beautiful girl, inside and out. She has the most contagious laugh and big beautiful brown eyes. She will always make you smile and has the sweetest heart you've ever met. Loyal to a fault and never gives up on anyone or anything. Sullivan is the life of the party, everyone wants to be friends with her. When she walks into a room everyone stares, she's that rare kind of beautiful. In the bedroom she is a wild animal but to everyone else she appears innocent. Sullivan is the kind of girl you will never forget and you won't be able to stop thinking about. Sullivan isn't great at one thing but she's good at everything. One would say she's a "jack of all trades" kind of girl. So once you find a Sullivan, never let her go because she is very rare.
Guy 1 -"I want to meet the perfect girl"

Guy 2 - "You need to find a Sullivan"
by JakeRRSmith January 06, 2019
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A boy who has the most adorable dimples in the world. When he smiles, you can't help but smile back
Oh my Goodness, did you just see that guy smile?? He is totally a Sullivan.
by :)Someone November 12, 2009
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A small town located in Missouri where girls sleep with faculty members to keep from having their scholarships taken away due to receiving MIPs. Also, if you don't play a sport, drive a tractor, or tan excessively, you probably won't be accepted. That's probably why more than half of the population has joined in on the craft of making and selling methamphetamine. Thank you, outcasts, for making our county the largest meth producing county in the US!
I'm tan and like giving head while driving a tractor, I think I'll fit in just fine in Sullivan.
by Sperm Donor 586932 July 12, 2009
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