Vomiting while having a case of diarrhea.
"Oh my god, last night I was so sick I double rainbowed."

"Double Rainbowing is the worst!"
by travitz west October 2, 2013
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A 'double rainbow' is a phenomenon of optics that displays a spectrum of light due to the sun shining on droplets of moisture in the atmosphere.
Double Rainbow? What does it mean?

"Well, a 'double rainbow' is a phenomenon of optics that displays a spectrum of light due to the sun shining on droplets of moisture in the atmosphere. Does that explain it?" - Lux
by Bukets June 20, 2015
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intense joy, coupled with extreme emotional shifts; an experience equal to an orgasm
OMG, it's a full on complete double rainbow all the way across the sky!
by dxo July 7, 2010
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When you are really really high, equal to the double rainbow guy.
Guy 1- "Dude I see leprechauns and elfs and dancing bunnies!"
Guy 2- "Wtf?"
Guy 3- "Oh hes just double rainbowed right now."
by bb+af July 20, 2010
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when someone goes extremely bezerk over something i.e. double rainbow guy
Guy 1: OMG LOOK AT THE LOW PRICE!!!!! ITS SO INTENSE!!! (**he faints**)
Guy 2: (to guy 3) Whats wrong with that guy?
Guy 3: Oh nothing hes just double rainbowing over the low prices.
by yosemitebearposer September 5, 2010
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A rare type of rainbow that may appear all the way across the sky after a period of rainfall. It can be described as very bright, vivid, and intense. However, many have fallen under the belief that a double rainbow is slowly transforming into a triple rainbow. This is impossible, and is an illusion created by either intense sunlight or a rainbow forming adjacent to the double rainbow.
Double rainbow, oh my god! It's starting to look like a triple rainbow!
by ZeroKaiser December 27, 2011
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When a girl gives a guy two orgasms in a row. The second one is usually more intense and as rare as seeing a double rainbow. Triple rainbows follow similar logic but are almost impossible to achieve in heterosexual, mature men.
Last night, Leona gave me a double rainbow with back to back blowjobs...Best sex ever!!!
by TonyO January 23, 2014
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