Urban Dictionary: making a rainbow

when two lesbians eat each other out whils they're on their periods the spit period blood into one anothers mouth.

I caught janet reno and rosie o'donnel making a rainbow.

by burrito pope January 12, 2004

An extreme orgasm that temporarily blinds a woman and they see the colors of the rainbow.

Luke ate that that thaang so good, he was able to Make her see the rainbow.

by Lm-fab July 21, 2015