chocolate rainbow 

All possible shades Black people can appear in, from Colin Powell to Wesley Snipes.

The Huxtables were a chocolate rainbow.

chocolate rainbow by PBMax November 7, 2008

Rainbow Connection 

An option when a terry tries to get extra froggy. You use a boxcutter. (Key and Peele)

"We gon' give them the rainbow connection baby"

Rainbow Connection by Terries May 3, 2016

Rainbow dash cum jar 

A act so vile and inhumane that the very mention of it alone will have you shunned from society.

Why don't you talk to john anymore

Oh, he did a rainbow dash cum jar

Rainbow dash cum jar by duderuthless February 28, 2020

Rainbow Six Siege 

What you call six gay Soldiers going to war

Hey did you see that rainbow six siege

Rainbow Six Siege by SneakNinja64 November 14, 2020

Rainbow Nazi

an SJW who Identifies as a member of the LGBT community

"Dude, did you know that 50% of dating site profiles who are LGBT, specifically request that they don't be contacted by Asians, blacks or Hi-"

"Yeah yeah that's great, look i'm just here to get a Taco you Rainbow Nazi."

Rainbow Nazi by Warrivar November 24, 2016

A rainbow in the underwear 

A rainbow in the underwear occurs when someone (presumably a man) has made the greatest possible variety of excretions in his underpants. This would consist of a brown stain, a yellow stain, and an off-white stain.

Jean Pierre Garnier never wipes his ass, so he has skid marks; he has also been known to have wetdreams almost nightly. A few months ago thirty people came to his house to scream at him. He pissed himself and a made a rainbow in his underwear.

A rainbow in the underwear by DLa April 6, 2005

rainbow bridge 

Where cats go when they die; this belief seems to be held by many cats on cat run websites.

Poor Thomas McToonsey is now playing across Rainbow Bridge now.

rainbow bridge by Vee Are Are Schee February 6, 2005