Rainbow gambler is term used in the middle and north of the UK to describe a compulsive and erratic gambler of limited financial status - the bottom feeders of the gambling fraternity. The term meaning they are always chasing that pot of gold at the end if the rainbow but always coming up short
Danny is a rainbow gambler, he had hardly any money to pay his bills but gambles it all, the guy is a loser
by GamblersRamblers January 15, 2014
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When you poop on the wall in an arc and it makes a brown rainbow.
After Girish Indian rainbowed all over the bathroom wall I had to put my foot down.
by Kenneth12 November 17, 2014
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A term used in the webcomic Homestuck.

A Rainbow Drinker is a troll who drinks other troll's blood.

Basically like a vampire.

It is called RAINBOW Drinker because troll's blood comes in a variety of colors depending on the troll.
*SPOILER*
*ALERT*

Kanaya becomes a rainbow drinker after she is killed by Eridan.
by Allisterr October 10, 2011
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when big corporations pretend to support gay people and trans people but they actually just want more people to buy their stuff
Person A: Hey look, there is a trans man in the new Gillette commercial!

Person B: Don't get your hopes up, it's just rainbow capitalism
by vejtics June 2, 2019
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When you’ve done everything sexual, but have never had sex
Lol that guys a fucking virgin rainbow
by Loliisnotillegal May 6, 2019
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It’s when you analyze your shit from A to Z and you realize that it contains different matter states with all the different Bristol stool chart numbers. There should be 7 different states of fecal matter in the toilet, going from liquid and watery to very solid and concentrated.

Usually, what happens is that you ate in a Chinese Buffet the day before you take the dump. There are so many varieties of food in these places that your body sorts them in terms of solidness, going from the egg roll sauce to the chinese onion rings’ crust.

If this ever happens to you, go see a doctor immediately. The Bristol Rainbow a very rare case, but when it’s there, it stays for a long time.
Rod : Doctor, about the sample of crap you asked me to give you last week...
Doctor OBrien : Yes?
Rod : Well, which part do you want the most? There’s the liquid part, the soft part, the solid p...
Doctor O’Brien : Oh my God... Rod, you did a Bristol Rainbow ! Congratulations!
Rod : So, this is a good thing?
Doctor O’Brien : Actually, I was being sarcastic. Be prepared to pay the price for your prescription...
by Mister Soft Moustache January 22, 2011
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The labia of woman following the mixture of cum and period fluid. (2) The cunnilingus of a woman, typically performed by her cuckold after her bull ejaculates in her vagina during her period.
That “Red Bull” gave my wife rainbow wings.
He is a vegetarian, he only eats his wife’s rainbow wings.
by Craiglasters23 July 25, 2022
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