Case-report taken from Strassman, 2001, p. 188:
Eight minutes into his non-blind high-dose injection, the subject described this encounter:
"That was real strange. There were a lot of elves. They were prankish, ornery, maybe four of them appeared at the side of a stretch of interstate highway I travel regularly. They commanded the scene, it was their terrain! They were about my height. They held up placards, showing me these incredibly beautiful, complex, swirling geometric scenes in them. One of them made it impossible for me to move. There was no issue of control; they were totally in control. They wanted me to look! I heard a giggling sound - the elves laughing or talking at high-speed volume, chattering, twittering.”

Strassman, R. (2001). DMT: The spirit molecule: A doctor's revolutionary research into the
biology of near-death and mystical experiences. Rochester, Vt: Park Street Press.