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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.

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
More from Urban Dictionary
anyone who succeeds in disgracing/over indulging themselves in the throws of clubland
28 hours and 4 clubs later, gurning for england but still refusing to go home - a total wrongun!!
wrongun by bevvers March 21, 2007
Word of the Day on October 8, 2026

square grouper

Nickname given to bales of marijuana thrown overboard or out of airplanes. Origin is reportedly from members of the US Coast Guard in the area of Southern Florida.
"Base we've got some square groupers floating outside of Miami harbor."
square grouper by slipsheet November 6, 2004
Word of the Day on October 7, 2026
A girl who does ballet and only talks about ballet. Her schedule is filled with dance classes which does not allow her to do any other activity.
"Hey, do you know that girl Sally?"

"Yeah, she's kind of annoying. All she ever talks about it ballet."

"Wow, what a Bunhead."

"Hey Sally, you want to hang out this weekend?"
"I can't, I have dance."
"You're such a Bunhead."

"Yeah... I know."
Bunhead by Jen00 October 24, 2014
Word of the Day on October 6, 2026

trucker's tan 

A sunburn or suntan focused on the left arm. It is caused by the left side of the body being the only half that gets exposed to sunlight while driving. Presumably, it would be located on the right side of the body in countries where they drive on the left side of the road.
I had a trucker's tan after driving for 10 straight hours on a sunny day.
Word of the Day on October 5, 2026
The phenomenon where adults salivate at children's toys
Every time I walk into the toy aisle, I catch myself kidulting over the latest action figures and LEGO sets!
kidulting by Emotional Cruiser October 12, 2025
Word of the Day on October 4, 2026
British slang for a scientist or technical expert, esp . when the speaker is not certain of the expert’s specific field of study. Not necessarily derogatory, but typically used by persons without a technical background. In the US, the equivalent would be “egghead”, “squint”, or “geek.”

Origin of the word is unknown. Started sometime in World War 2. Given the typical evolution of British slang, could easily have started because what these experts did was confusing or “baffling” to the common person.
According to the boffins downstairs, the murderer used a serrated blade.
Boffin by Agnon February 11, 2023
Word of the Day on October 3, 2026
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