To ingest both ecstasy and psychedelic mushrooms. Candy flipping is mixing LSD and ecstasy. Although some might think hippie flipping is combining LSD and mushrooms, this is incorrect. There might be some areas where people define it this way, but the VAST majority of people define hippie flipping as combining ecstasy and mushrooms. It's drug slang, so majority rules. Google it and you will find this to be 100% true. Trust Erowid, Shroomery, BlueLight, Mycotopia, etc over one person on Urban Dictionary.
Did you guys hippie flip last night?

We made shroom tea and followed it by plugging a liquid solution of two e pills. I've never laughed so hard in my entire life.
by dankoni April 10, 2009
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The true definition of this word is when a user take both LSD and Mushrooms (Psilocybe cubensis) at the same time. Creating a psychological trip beyond anything you have experienced.
This kid said, "hey lets hippie flip with E" I responded, "You are dumb you need LSD and Mushrooms to hippie flip fool".
by TheloneusKool February 2, 2009
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A skateboarding trick where you make the skateboard do a certain flip trick under a rail/bench while you jump over the rail/bench and cath the board with your feet on the other side and land it.
Dude, I just did a hippie flip on that rail over there.
by Danee B May 18, 2009
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From what I know it's when you take LSD, mushrooms AND MDMA at the same time to combine a very euphoric and colorful state of reality.
Dude I had so much fun at the show, I Hippie Flipped.

Oh shit your pupils are huge are you Hippie Flippin?
by pancakesnsteaks August 31, 2019
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Taking psilocybe mushrooms and MDMA (ecstacy) together. Actually regarded quite highly within the drug subculture. The effects rarely last longer than 8 hours. The effects of the MDMA lend a very upbeat feeling to the user, usually resulting in a positive mushroom trip. Because MDMA is a fairly "reliable" good high, but mushrooms aren't (there can be bad trips), the MDMA high helps to stabablize the mushroom trip.
"What are you doing for the rave on Thursday?"

"I'm going hippy flipping."
by WILDmushroomSHROOMER October 31, 2006
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The act of ingesting mushrooms and ecstasy at the same time for a heightened euphoric experience.
I got trippy visuals during my roll when I found some shrooms and hippy flipped.
by MofoSam June 9, 2003
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Combining mushrooms and ecstasy. In the early 2000s it was also known as an mx missile, for mushrooms and ecstasy. Back then ecstasy was ecstasy, which is now referred to as Molly by younger people in the 2010s.
by Solid Mantis March 11, 2016
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