rainbow ring 

according to the kats on Oprah, it is a guy getting several *rings* of lipstick planted on his dick.

rainbow ring by Anonymous October 3, 2003

Double Rainbowing 

Vomiting while having a case of diarrhea.

"Oh my god, last night I was so sick I double rainbowed."

"Double Rainbowing is the worst!"

Double Rainbowing by travitz west October 2, 2013

rainbowing 

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!"

rainbowing by Jess November 14, 2003

double rainbowing 

when someone goes extremely bezerk over something i.e. double rainbow guy

Guy 1: OMG LOOK AT THE LOW PRICE!!!!! ITS SO INTENSE!!! (**he faints**)
Guy 2: (to guy 3) Whats wrong with that guy?
Guy 3: Oh nothing hes just double rainbowing over the low prices.

double rainbowing by yosemitebearposer September 6, 2010

Rainbowing 

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.

Rainbowing by Jeffblowscops August 1, 2018

rainbowing 

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.

rainbowing by Dark Kitten April 9, 2005

rainbowing 

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."

rainbowing by dghul May 29, 2009