«Unclassifiable» is the best way to describe the genre - hopping whatsits of Justin Benson and Aaron Moorhead, who followed their cabin - in - the - woods crazy quilt Resolution with Spring, a swoony walk - and - talk romance that just happened to double as a gooey creature feature. (film.avclub.com)
However, your imaginary jesus does not matter to me, nor does an imaginary omnipotent whatsit in the sky. (religion.blogs.cnn.com)
In Avatar, the official political interpretation of the Edenic moon Pandora is unobtainium repository, unobtanium being «a great whatsit» of a natural resource «that is an emblem of humanity's greed and folly.» (firstthings.com)