look up any word, like plopping:
 
1.
ecstacy + mushrooms + lsd = raindbow flipping
I'm gonna rainbow flip at the rave tonight.
by aliceD July 29, 2009
 
2.
An expression used in Southern California (mostly Los Angeles, Orange, and San Bernardino Counties) to convey being more excited and/or happy (generally sober/naturally but not necessarily) than those who have or would have taken any combinations of drugs could have / would have otherwise been. (Pun on drug combinations like hippie flipping). Used for silly or momentous occasions.
Last night was so awesome, I can't stop rainbow flipping!
by Rybo schwizz July 22, 2013
 
3.
A mixture of your choice of 7 substances. Most commonly used are cocaine, mushrooms, acid, DMT, 2C compounds, Molly or Ecstasy, Mescaline, Peyote, or whatever else you can get your hippie paws on.
"Fuck man.. Last night I rainbow flipped soooooo hard.. Mushrooms, LSD, DMT, 2CE, Molly, Ketamine, and some good old fashioned Mary Jane. Im see in nothin but waves and rainbows and shit.."
by HippieFuego July 14, 2012