Got curious so did a little searching around:
MDMA+Shrooms=Hippyflipping
MDMA+LSD=Candyflipping
MDMA+Ketamine=Kittyflipping
MDMA+DXM=Roboflipping
MDMA+Mescaline=Cactiflipping/Loveflipping
LSD+Shrooms=Soulbombing
LSD+Shrooms+MDMA=Jediflipping/Indianflipping
Shrooms+Mescaline=Loveflipping
MDMA+PCP=Elephantflipping
MDMA+2cb=Nexusflipping
MDMA+DMT=Spiceflipping/Timeflipping
MDMA+Cocaine=Sugarflipping
MDMA+Opiates=Poppyflipping
MDMA+Spinach=Popeyeflipping
Here are some more:
http://www.statemaster.com/encyclopedia/Candy-flipping
Peace
EDIT:
http://en.wikipedia.org/wiki/Drug_combination
Tech Flip or T9X (Tech Nine Experience): MDMA, Alcohol, GHB, Caffeine, Marijuana, LSD, Magic Mushrooms, and Lean (Codeine and Cherry Robitussin(DXM) mixed with juice or sprite) ;once all these drugs have been taken, receive oral sex
DeF Flip: MDMA, paint stripper, crystal meth, one pint of guinness with an ace of spades playing card ground up into it, a couple of rennies and an ibuprofen