When a mans dick is resting on a woman's vagina and the vaginal lips overlay the penis' shaft.
Don't go through my photos because you'll see some major beef rainbow pics, man.
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A crude name referring to a homosexual man or woman. "Rainbow" refers to the gay rights symbol. "Circle" refers to the term "Straight as a circle".
Hey look at that circle rainbow.
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1.A Sexually Transmitted Disease that was caused from having intercourse with a gay or bi person.
2.Recieved STD from one who is VERY VERY sexually active.
Man.-DUDE! i think i got a rainbow std from that girl down at madam polats palace.
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When a number of women put on a different shade of lipstick each and all take turns blowing a guy, mixing the colors creating a "rainbow" like appearance on the man's crouch, therefore a "Rainbow Ride".
Last night Jenn, Colleen, and Stina put put on blue, yellow, and red lipstick and gave me a rainbow ride.
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Rainbow Farts happen when you end up eating too much colorful food like skittles and M&Ms to the point where you shit out farts that are rainbows.
*Jacob munches on some M&Ms*
Jacob: *FARTS*
Jacob: OMG OMG OMG I JUST HAD A RAINBOW FART
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Cunnilingus while the woman is on her period.
This is followed by an open mouth kiss which is ideally bloody.
Adam: I think i might be a vampire!
John: Why would you think that?
Adam: Jill requested I perform a rainbow pash on her last night and i quite enjoyed it.
Adam: Stop biting my neck!
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a bruise that consists of a bajillion (about 5 or 6) colors. a person can get these bruises most likely in the bicep area while playing a contact sport...especially the sport of lacrosse
After playing lacrosse for the whole season my rainbow bruise is massive, and has about 6 colors in it
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