Combining MDMA (ecstasy) with Ketamine.
me: I fell down while i was kitty flipping last weekend!
VT: I was kitty flipping too! I took shroomz and lsd and extacy and ketamine all at once I'm pretty badass huh?
me: That't not kitty flipping, that's retarded.
When you do ketamine and extacy and shrooms and LSD at the same time.
No its not hippie flip becuase you need ketamine.
Lets go to a rave and kitty flip!