The sexual act of putting Skittles up your partner's anus and eating them one by one as they come out.
Bob: I just tried a rainbow tunnel with my girlfriend!
Chris: Could you taste the rainbow???
Bob: Among other things...
Chris: Could you taste the rainbow???
Bob: Among other things...
by Redheadedone October 16, 2014
Get the rainbow tunnelmug. A person wrapped up in a pride flag. The pride flag will be wrapped around they're head and shoulders, Its used to scare away any straggots.
by Men are ugly April 6, 2021
Get the rainbow babushkamug. by crypto-biologist April 22, 2017
Get the rainbow kittenmug. by SamFlynn2010 July 19, 2018
Get the Cosmic Rainbowmug. Young woman who travel around the USA to attend rainbow gatherings, often having dirtyfeet from walking around barefoot and not showering regularly.
by Cavemank2 August 28, 2017
Get the rainbow chickmug. What a ratass person does when they have too much spare time on their hands, since they have no friends. Feeling a little rainbow today tagging morphe palette and james charles.
by homiesexual1234 December 17, 2019
Get the Rainbow Lookmug. Rainbow Jackson is the most beautiful lightskin girl in the world though she doesn’t know it many adore and look up to her. She plays very hard to get and you can never tell if she actually likes you or not but if she does then you’re lucky.
by Ifuckedallyourmoms November 30, 2017
Get the rainbow jacksonmug.