Little green men

"Little green men" is a colloquial term often used to refer to extraterrestrial life forms, particularly those depicted in science fiction and popular culture as small, green-skinned aliens. The phrase gained popularity in the mid-20th century, especially in the context of UFO sightings and alien abduction stories. The term is sometimes associated with reports of unidentified flying objects (UFOs) and the idea of contact with extraterrestrial beings.