by NotGunnaTell January 28, 2009

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.
2.Recieved STD from one who is VERY VERY sexually active.
by dizzlerousedylan September 8, 2007

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".
by LiberalAgnosticStyles December 5, 2009

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.
by Lotto23 January 31, 2005

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
by Aubrey Burt July 17, 2006

Cunnilingus while the woman is on her period.
This is followed by an open mouth kiss which is ideally bloody.
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!
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!
by van_tango January 18, 2008

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.
by Khagreytits September 7, 2014
