Triple negative rainbow 

depression. the opposite of double rainbow. rather than orgasmic and euphoric amounts of happiness, it is quite the opposite.

Joe: You feeling double rainbow today?
Timmy: No. Actually I'm feeling pretty triple negative rainbow.

Triple negative rainbow by tripledepression(y) December 1, 2010

brown rainbow 

a cleveland steamer, but between homosexuals. when a gay person (rainbow) has a bowel movement (brown) on their partner's chest as a sexual fettish.

Larry & Carl were kinky homos, they liked to give each other a brown rainbow once in a while.

brown rainbow by dude98765 October 3, 2011

Other side of the rainbow 

Other side of the rainbow, is when someone is on crazy drugs!

Dude! That guy who wrote "Alice in Wonderland" was totally on the other side of the rainbow

Other side of the rainbow by Pepe the yes March 12, 2016

Double Rainbow Raise 

When a person uses every color of chip two times on one raise during a game of poker; mostly in Texas Hold 'Em.

Oh my god... Double Rainbow Raise... Double Rainbow Raise all the way across the table...

Double Rainbow Raise by thepen15mightier December 31, 2010

Snowy Rainbow 

Fruit smoothies that are ordered with every boost/additive possible such as protein, immune boost, multivitamin, mega energy, focus, extreme lean, superfood, green tea, and sports performance. The protein in is "snow" and the rainbow is made up of all the different multicolored pills that are the additives.

That guy ordered a Snowy Rainbow Berry Breeze smoothie, he's going to have so much energy and focus!

Snowy Rainbow by housejea March 14, 2011

Mud rainbow 

A sexual practice involving a combination of felching and oral sex whilst a woman is menstruating.

"Wow, I went the whole way the other night with that girl from accounts - decided I wanted to smell the metal, and ended up with a mud rainbow"

Mud rainbow by Lord Plasma October 10, 2011

deadly rainbow 

Where there are tons of little, or quite large, bruises on your legs, arms, various parts of the body in different colors, causes may include abuse, weakness, etc.

Girl: "Oh my glob, there is a deadly rainbow on my leg!"

deadly rainbow by le.git.broster September 23, 2012