
1) Drug problem 2) Hallucinogenic nightmare 3) Scary high
Found on
https://www.crosswordclues.com/clue/bad-trip

Bad trip (drug-induced psychosis or psychedelic crisis) is a disturbing experience typically associated with use of a hallucinogen, such as psychedelics — such as LSD, mescaline, psilocybin and DMT — or dissociatives — like Salvinorin A (the active chemical of Salvia divinorum) or Dextromethorphan. A `bad trip` is sometimes possible with o.....
Found on
http://en.wikipedia.org/wiki/Bad_trip

Miscellaneous MUD game: Bad Trip Mud prides itself on its sense of humour
Found on
http://www.encyclo.co.uk/local/21215
No exact match found.