A erotic act where two people (usualy male and female) mix ALL of their body liquids either on the floor or in a container, resulting in "a human rainbow"
dude. Have you ever heard of the human rainbow? You should totaly try it with yo girl.
Rainbow Dash after she married Prince Little Money or L Money and became his number one rider to make him cum big steamy loads reverse cowgirl style lots of neighs hot steamy sloppy toppy anytime anywhere as long as Turbo ain't watching.