Related Clues:

• What a hippie may have dropped
• It's dropped
• Trip need, perhaps
• '60s hallucinogen
• Trip cause
• Dr. Leary's drug
• Dropped stuff
• Take it for a trip
• Dropped hallucinogen
• It was dropped in the 1960s
• Drug drop, maybe
• It was dropped before trips
• It's illegal to drop it
• Trip starter
• Sixties halucinogen