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1.
MDMA user on a bad trip. Often caused by an inexperienced user over-consuming the drug or, the drug being cut with caffeine, methamphetamine, DXM, ketamine, 2c-b or GHB.

Moodiness, lonesomeness, anxiousness, depression, violent or anti-social behavior, and paranoia, are characteristics of an MDMAniac.
1: This club is CRAZY! Ya having a good time dude?!!
2: F%$% Off

1: Man, You're an MDMAniac..... and you still owe me 30 bucks, dick.
by GC_Mushroom January 23, 2013