Top definition
when different girls each put on different color lipsticks and suck a guys dick and leavs a mark of the lipstick color on it
"yo dude i went rainbowing last night with jess, jess, lis, and kira!"
by Jess November 14, 2003
Get the mug
Get a rainbowing mug for your barber Vivek.
2
The act of eating out a female whilst they are having their period.
Nick spent his time eating Sarah out, and when he rose Sarah noticed blood around his lips.
by Dark Kitten April 09, 2005
Get the mug
Get a rainbowing mug for your father Abdul.
3
The act of being homosexual or taking part in activities only an individual who is homosexual would take part in.
Sarah: "John was rainbowing so much at the party last night."

Eric: "I know. All that PDA with Ben was disgusting. We all know he's gay. He didn't need to show it."
by dghul May 29, 2009
Get the mug
Get a rainbowing mug for your coworker Manley.
4
When a person changes lipstick several times while felating a penis, and leaves a rainbow colored hue on said penis. Ref: Jeffrey Budzynski- contemporary American, Floridian, rainbower of police penises.
Jeff changes lipstick a lot and is always rainbowing the cop's penises.
by Jeffblowscops August 01, 2018
Get the mug
Get a Rainbowing mug for your cat Sarah.