Water Rainbow

Metaphorically meaning "Natural Happiness". Since water is a pure and natural substance and a Rainbow symbolizes happiness than combining the words is just a metaphor for Natural Happiness. So being on a Water Rainbow basically means that you are just Naturally Happy.

David: "Yo, how you always in such a good mood?"
Mark: " Man i just always stay positive by being on the water rainbow"

Henry: "Yo are you high or something, what are you on dude?"
Jordan:" Naw man I stay drug free, im just on that water rainbow

by Brandan Anthony May 10, 2018

bloody rainbow

When you give a girl face when she is on her period

"Baby come here and give me a Bloody Rainbow"

by JustForAnastasia February 16, 2015

Gray Rainbow

A reference to a person's or an object's bland characteristics.

"That kid is such a gray rainbow."

by Fulki Novak June 18, 2016

rainbow sponge

dope.

"I hope you buy a rainbow sponge and it doesn't work!" said Hope to Danielle.

Basically, Hope said that she hopes Danielle buys some drugs, but they aren't drugs; they're fake drugs.

by rossbrunch February 28, 2014

Rainbow Drop

When you put a Fruit by the foot fruit snack up your anal cavity and let it melt out into your partners mouth.

Oh man, last night I gave Betty a real nice Rainbow Drop. She loved the flavor!

by OneRealNiggaAss September 21, 2018

Rainbow Commando

A gay nudist

Went down to the naked beach at Unicorn Cove and saw a

rainbow commando frolicking in the surf.

by CheVolay November 3, 2009

Rainbow Math

When liberal publishers in some Western countries decide to green-light math titles by LGBT+ authors in spite of the high risk of offending or alienating conservative potential customers—when they argue that sexual orientation and math publication needn’t be mutually exclusive.

Radical Islamist groups from rogue nations like Saudi Arabia, Afghanistan, and Iran have warned foreign publishers that their publications would be removed from bookstores if they’re caught shipping rainbow math titles to both Mohammedans and “infidels.”

by MathPlus October 10, 2021