the six string fretless bass owned by primus frontman les claypool.it is made from different woods (walnut, curly maple, padauk, purple heart, ebony and cocobolo) these are in a striped pattern which is why it is called the rainbow bass.it was made by carl thompson basses and cost $10,000.
by primussucks June 24, 2005

"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!"
"Oh thanks! I like a good rainbow dashing from time to time."
"Did you see that?! I'm so rainbow dashing!"
by 20%Cooler November 13, 2011

Finally, I have caught the rainbow! *Insert thing you have achieved*.
I will catch the rainbow with this project I'm making!
I will catch the rainbow with this project I'm making!
by Ender_406 March 11, 2021

When a male inserts his own penis into his asshole and bouncing up and down, creating a reversed rainbow
by Taj Mahal April 20, 2007

by Stellaella August 29, 2019

by (Garth Vader) December 10, 2014

by travitz west October 2, 2013
