A slang term for male ejaculation.
"I totally rainbowed all over that girl last night"
The line that separates gay people from straight people
Somewhere over the rainbow David Furnish and Elton John are Furnishing a John-hole
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.
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.
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!