Short for Rainbow 6 siege a popular video game in which you get shit on by people with way more free time than you.
"Wanna play rainbow?"
"Sure, what else am I gonna do. Go outside?"
When a girl participates in her menstrual cycle and aunt flow visits a boy may engage in oral inferno with her lady parts. As this is done the girl provides her male partner with a gobby and withholds the juices in her mouth provided by said partners phallus. The boy and girl then have a massive pash sesh and create what is known as a rainbow.
Geez sally is on her period think she would be down for a rainbow?
A sign that God is having “gay sex”
“Dude do you see that rainbow? God is definitely enjoying his time up there with the boys.”
Rainbows appear when a unicorn from Antarctica eats too many jellybeans, gets a stomachache and it can't reach a toilet in time. You will find a unicorn at the end of the rainbow and the unicorn will most likely be extremely tired from trying to find a toilet in time and trying to prevent a rainbow.
"Oh no! A unicorn must have eaten to many jellybeans since there's a rainbow!"
A burst of colors that appears in the sky after the rain stops that GOD created where its a sign that He will never flood the earth agian
That Rainbow is colorfull
An insult directed towards gays, bisexuals, and lesbians
Aw dang, check out the two married rainbows over there.