The act of "rooming" together. Aka, two grown people sharing a small bed in a hotel room under the guise of saving money....but in reality, they are just looking to have drunken sex.
Dude, I had sweet sweet roomation with this chick I work with. Got laid and saved the company money doing it.
by Big Dub April 17, 2006
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When walking into a room, one gets quite disoriented and dizzy
Cris walked into the room and suddenly developed "roomatism".
by ReginaRocketgirl April 13, 2010
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a style of dating in which you are roomates with your partner. the idea of this is to develop a special bond through sexual relations and living together from the start.
"Thanks to Roomating.com, I just found a great new place and a great fella. Hes already so sweet and attentive after only one night together. Day two, and hes already helping me paint. Things seem to be going pretty well!"

Relationship site + apartment finder = Roomating
by elijakeee October 18, 2011
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Joint and muscle-pain caused by occupying cramped quarters.
I diligently try to behave myself so dat hopefully I won't get roomatism from having to spend extended periods in an 8X8 jail cell.
by QuacksO February 25, 2020
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A fucking retard whom you have unknowingly invited to stay with you out of pity and/or the chance to get laid and/or because they own a full sized washer and dryer combo, and it turns out that instead of being empathetic and acknowleging that you have done them a favor for pulling their redneck ass out of the fucking gutter, they proceed to make your very existence on this planet a living fucking fuckball hell....see example.
You asscock fuckball shitfuck. When the hell are you going to do the fucking dishes you dirtied two months ago? You are the biggest FUCKBALL ROOMATE I have ever had, you slackjawed redneck donkey. Pack your fucking banjo and get the fuck out of my apartment you no-tooth retard chigger. Get the fuck out.
by Fighterjock January 11, 2007
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The characteristic that every human possesses until their freshman year in college when they get to live with their first roomate. Their first roomate is the one that steals the person's "roomate virginity." This causes the person to become emotionally attached to the person, and starts off what could be a loving and caring relationship. However, if one roomate does not like the other or gets sick of them, this can lead to a messy break-up. Either way, everybody will always have a special place in their heart for the person who stole their roomate virginity just the same as the first person they banged.
"Hey you must be my roomate, I'm Jason."

(shakes hand)

"Hey, I'm Nate, and here's a fun fact: I just stole your roomate virginity!"
by Nate D-O-GG October 22, 2008
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The Roomate Revenge is a popular sex position done as retribution to a roomate who has been a dick.

One will:

(a) time his or her significant other(s) to come over when the other roomate is not there

(b) remove all clothing

(c) proceed to have hot and sweaty sex all over the victim's bed
Jenny: Hey, why is my bed covered in splooge?

Kate: No idea, maybe you had a wet dream!

(Jenny was a victim of Roomate Revenge)
by halpwr May 24, 2012
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