The story
From pelican + -ist. Coined by Jerome Clark in reference to claims that Kenneth Arnold's UFO sighting in 1947 was pelicans.
Etymology from Wiktionary, CC BY-SA 4.0.
Today it means: Someone who attempts to explain away UFO reports by means of any explanation, however illogical. Full definition →
From pelican + -ist. Coined by Jerome Clark in reference to claims that Kenneth Arnold's UFO sighting in 1947 was pelicans.
Etymology from Wiktionary, CC BY-SA 4.0.