A common street name for LSD (10-Didehydro-N,N-diethyl-6-methylergoline-8ß-carboxamide). A very heavy psychotropic which can induce visual hallucinations. Acid Trips can be either a good or bad expierience for the tripper, depending on surroundings, persons with, and recent events in the tripper's life. Please reference Fun Things to Do on Acid.