where you wake up and you are someone else and then some time later you come back to yourself. The thing is you can demand people on acid to "dissociate!" and they think they do, but really they don't because part of a dissociative fugue is that it can't be drug-induced.
Alex: "Eli. Dissociate!"
Eli: "I like mittens!"
Josie: "Sweet God,I think Eli's having a dissociative fugue!