to have diarrhea that causes you to hang on to the toilet bowl for dear life because you feel like you're on a rollercoaster
"man, that pizza gave me the rollercoasters"
by Turdsa September 16, 2006
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rollercoaster When a girl is going down on you and your standing and you throw your hands in the air yell. (In a good way no less)
Person 1: "What did you do last night?"
Person 2: "Janet was over I had to rollercoaster on that."
by Goldengrainz October 22, 2008
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While a picture is being taken, you throw your hands up and look excited in order to simulate being on a roller coaster, thus both ruining and enhancing the picture. Roller coasting works best if the people in the front of the picture do not know it's being done behind them. The more people roller coasting in the same photo the funnier it will be.

The rollercoast can be made exponentially more hilarious by adding more people, having everyone lean in the same direction, and having people organized in rows of two or four, to simulate an actual roller coaster. The effect is weakened significantly by the participants actually being on a roller coaster.
Everyone get into pairs and look for people taking pictures tonight. We're gonna do some serious rollercoasting
by Mr Lazy December 23, 2010
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A weed rollercoaster is a occurance that happens when you smoke at least 3-4 bowls of weed and when you sit back and relax and empty your mind it feels like your riding a rollercoaster.Sometimes if you roll your eyes back you feel as if you come out of your body and you have a feeling of extreme bliss.Its quite annoying if you are starting to ride a rollercoaster and some one trys to talk to you or snap you out of it.You know if someone just got done riding cause they will have a large smile on there face.
(Josh looks at Jantzen)

Josh:Damn Jantzen always be riding them rollercoasters

(Jantzen comes off the rollercoaster)

Jantzen:God damn im high as fuck;I felt like i was fucking

going a thousand miles a hour

Josh:Haha,nigga you just rode a weed rollercoaster didnt you?

Jantzen:Hell yea
by Highboyz 3 September 29, 2009
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The term Emotional Rollercoaster was coined by Dr. N. Amundson in dealing with unemployment, first in a research article: Amundson, N.E., & Borgen, W. (1982). The dynamics of unemployment: Job loss and job search. Personnel and Guidance Journal, 60, 562-564. It was most likely made popular when Nelson Canada published their booklet At the Controls:Charting your course through unemployment in 1987. Approximately 960,000 copies of this book were bought by the Gov't of Canada and distributed to people dealing with unemployment between 1987 and 1996.
"Shock! Relief! Sadness! Excitement! Frustration! Lack of energy! Hopelessness! Determination! People feel many different emotions when they are out of work. these feelings may be a bit different from one person to another depending on how you lost your job, how long you have been out of work, your future possibilities, and whether you can provide for your family or others who depend on you.

However, many of the unemployed people we talked with described similar patterns of emotions. They described these feelings as an "emotional rollercoaster" that kept them off balance… " (Amundson and Borgen, At the Controls, 1987)
by Ergon Communications February 02, 2013
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the act of riding in the bed of a pickup truck on the highway.
Ever been to Six Flags Tijuana?
Yah, my uncle has a Toyota Hilux! It's a mexican rollercoaster!
by Guadalupe Hernedez December 23, 2008
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