When a female is on her period and the guy shoots sperm onto the blood, licks it up, then kisses her.
I rainbow kissed your mom, and she loved it.
The act of eating skittles then going to the bathroom and taking a shit and the shit is different colors. Such as, purple, yellow, orange, etc.
Damn bro,after I ate those skittles I was shitting rainbows for weeks
When your doing a chick in a dark room, and a car goes by and lights it up. You realize that the bitch is butt ugly and jump over the bed and book it.
Chris:"Dude, you know hot Jackie?"
Joe: "Yeah."
Chris: "I had to pull a reading rainbow on her, she's an ugly shit"
The most completely awe-inspiring and orgasmic experience. Even better than a double rainbow. If you're not seeing triple rainbows, you're just not livin', dude. Paradoxically, if you do see a triple rainbow, the sheer intensity and beauty of it will probably kill you.
It's a full on triple rainbow all the way across the sky.
(Also "rainbow babies") Children by the same mother, but of fathers of different races.
Yeah, she's got one of those rainbow families - kids every color of the septic tank.
A rainbow unicorn represents a lively, vibrant man that's sexually attracted to other men, either gay or a it represents the gay man a couple wants to join them in some fun.
Omg Johnny is a total rainbow unicorn! Let's bring him home!
when a guy or a teenager ask to play rainbow he will buy you different color lipstick so you can suck his dick/penis if a girl says it she wants you to suck her pussy/vagina which means shes a lesbian or is bi
javon: wendy!!! play rainbow
wendy: no i dont play rainbow that fool nasty ass!!