rainbow

A slang term for male ejaculation.

"I totally rainbowed all over that girl last night"

by sean & nina July 12, 2005

rainbow

A drink made solely from bodily fluids - semen, urine, crap etc.

by Oz March 17, 2003

rainbow

The line that separates gay people from straight people

Somewhere over the rainbow David Furnish and Elton John are Furnishing a John-hole

by Kung-Fu Jesus June 22, 2004

The Rainbow

When a guy gets the girls period blood in his mouth, she gets his jizz in her mouth, and then they swap them.

Dick and Jane love doing the rainbow at their dungeon sex parties.

by DirtyStoner420 July 12, 2013

Rainbow

A pet name for a gay man whose penis has a curve, or the curved penis of a gay man.

I'm the luckiest man on the planet. I hope you have a pot of gold for me at the end of that rainbow my little leprachaun. Daddy has some canola oil, let's see what we can do with those lucky charms.

by Jonathan Gagen October 04, 2018

rainbow

A slut.
A person who is easy to get, who unabashedly throws themselves at another, or who puts on a slutty act.
(Not overly offensive, often used among friends.)

She does every guy she meets. She's such a rainbow!

Oh, my God, I can't believe the way you dance; you're such a rainbow!

by M. V.L. M. February 09, 2004

rainbow

they are very random

there's a rainbow

that was random

by sexy chick.... February 10, 2010