2. A bad drug experience
3. Something that was supposed to be pleasurable but turned out nightmarish.
2. That chick is the brown acid, but hey, it's up to you.
It wasn't certain that the brown acid the was circulating there was "bad", but because of the number of people that were "tripping" - many for the first time - there were many that were experiencing a "bad trip".
Not spoken by Wavy Gravy, but perhaps by Chip Monk. More research is needed to confirm this fact.
Y'know...I could've sworn that Hydrochloric acid isn't naturally brown...