by Stiner45 March 21, 2016

by cyclopentane April 20, 2023

by MGS123 February 22, 2015

The act of a "once presumed straight" person , who has recently come out as LGBT and become more comfortable with themselves, becoming REALLY gay, REALLY fast.
"Hey, what's with Tom? Last semester he was wearing sweatpants and dirty t-shirts. Now he's got frosted hair, tight clothes and pride bracelets on".
"Yeah, he performed a rainbow rush to make up for all those years in the closet"
"Yeah, he performed a rainbow rush to make up for all those years in the closet"
by mattyj94 July 29, 2015

by Mirtajemojzivot November 11, 2019

A shit so massive it goes from one end of the spectrum to the other. It typically starts off as a dry, hard bowel movement and ends in diarrhea.
Person 1: I was on the toilet for 20 minutes...
Person 2: Constipated?
Person 1: Nah, just took a rainbow dump... It kept coming.
Person 2: Constipated?
Person 1: Nah, just took a rainbow dump... It kept coming.
by Ark-7 February 29, 2012

Rainbow tickles are carried out by mermaids lying next to each other in bed, they run their fingers all over each other's bodies, making the mermaid feel alive and considerably horny.
by Merman and his Mermaid March 4, 2016
