A gay sex position where a man does a back bend, then the second man inserts the first man's penis into his rectum, then proceeds to do a back bend over the first man with the penis still inside of him.
He's so gay he did the double rainbow with your dad last night!
by Doublerainbow April 16, 2015
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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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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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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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