the double rainbow 

A gay sex position where a man does a back bend, then the second man inserts the first man's penis into his rectum, then proceeds to do a back bend over the first man with the penis still inside of him.

He's so gay he did the double rainbow with your dad last night!

the double rainbow by Doublerainbow April 16, 2015

double reverse cowboy sex rodeo 

sex when the girl is on top

my girl just asked me for me to let her do a double reverse cowboy sex rodeo

double reverse cowboy sex rodeo by Larry kingsh May 25, 2009

Double Rainbow

When a male jacks off two other males, especially if they have big dicks.

Last night, I saw a double rainbow!
Dude, you weren't part of it?
Nah, I sat back and just enjoyed it.

Double Rainbow by Eyx September 30, 2016

double rub 

The minimum amount of strokes it takes to blow your load.

Last night Gail gave me a record setting double rub. I just about blinded her.

double rub by Gailgivesgoodhead June 16, 2017

double rimmer 

Word coined by Joe Plank of the UK meaning a double sized shot glass filled to the rim, but now generally accepted to mean any larger-than-usual shot of alcohol.

'Pour me some Aftershock, and make it a double rimmer!'

double rimmer by Æsop November 7, 2004

Full On Double Rainbow 

Nathan Fillion uses the phrase Full On Double Rainbow, which builds on his creative use of Double Rainbow, only it's more intense.

It means that which is:

•fully ecstatically wondrous

•beyond joyfully amazing

•intensely orgasmically blissful

Here are some usage examples for Full On Double Rainbow. (For more examples, see the Twitter page belonging to NathanFillion:)

Nathan Fillion, on his Twitter page, kindly acknowledged my entry work defining his recommendation of the new "in" phrase: "Double Rainbow" on Urban Dictionary! He said it is "Full on." Thank you, Nathan. You are so Full On Double Rainbow!

The TV shows Castle and Firefly are so intense, they are Full On Double Rainbow!.

Serenity, the feature film starring Nathan Fillion, is so vivid, it's Full On Double Rainbow!

Nathan Fillion is so awesomely spectacular, sexyhotmessgorgeous, and brilliantly talented, his fame is sweeping across the nation, and over all the world! Nathan Fillion is Full On Double Rainbow!

Full On Double Rainbow by Kcat10 July 19, 2010

Double Rainbow, All The Way Across The Sky 

Double Rainbow, All The Way Across The Sky is a popular phrase used by Nathan Fillion. (Short form: DRATWATS.)

It means that which is:

•Totally ecstatically wondrous, across the universe.

•Endlessly joyfully amazing, throughout the world.

•Full on orgasmically blissful, forever and ever.

Here are some usage examples for Double Rainbow, All The Way Across The Sky. (For more examples, see the Twitter page belonging to NathanFillion)

The TV show Castle is so intense, it's Double Rainbow, All The Way Across The Sky."

Serenity was such a vivid movie, it was Double Rainbow, All The Way Across The Sky!"

Nathan Fillion is so spectacular, he's Double Rainbow, All The Way Across The Sky!

Double Rainbow, All The Way Across The Sky by Kcat10 July 16, 2010