The Irish illustration duo of James and Michael Fizgarald, or also known as The Project Twins, have come up with a series of illustrations that visually represent rarely spoken and heard of words.
Recumbentibus - A knockout punch, either verbal or physical.
Yonderly—Mentally or emotionally distant; absent-minded
Pogonotrophy—The act of cultivating, or growing and grooming, a mustache, beard, sideburns or other facial hair.
Ultracrepidarian—A person who gives opinions and advice on matters outside of one’s knowledge.