Rainbow Dashing 

to make something 20% cooler.

Can also be used to explain how awesome or fast one is being.

"Hey Heather, you make this table 20% cooler."
"Oh thanks! I like a good rainbow dashing from time to time."

"Did you see that?! I'm so rainbow dashing!"

Rainbow Dashing by 20%Cooler November 13, 2011

Rainbow Dashing 

When a car full of gay dudes rolls up to you at a stop and an ass hangs out the window. Farts glittery cum at you and speeds off.

Cory was pulled over by a cop after Rainbow Dashing with his friends.

Rainbow Dashing by Dumah69 November 11, 2021

rainbowdashing 

In a zombie apocalyptic truck with massive spikes, drive through a pride parade and murder everyone

Connor: Look a fag parade
Dylan: Time to go rainbowdashing baby!!!
Nick: *steals bagel*
Gays:AAAHHHHxhsgfuygievvb

rainbowdashing by Ih4t3Gayz March 12, 2020