When you take Ecstasy and Shrooms at the same time.
I havent experienced it but I heard a hippy trip is some serious shit.
by xxDVDAxx October 20, 2005
1 more definition
Consuming both LDS (acid) and Mushrooms at the same time. resulting in a triptacular experience.
Shit son, I would really love to hippy trip this weekend.
by Yolalala May 18, 2006