Origin: 1250–1300; Middle English abi(s)me < Middle French abisme < Vulgar Latin *abyssimus, a neologistic pseudo-superlative of Late Latin abyssusabyss
a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison.
a fool or simpleton; ninny.
a printed punctuation mark (‽), available only in some typefaces, designed to combine the question mark (?) and the exclamation point (!), indicating a mixture of query and interjection, as after a rhetorical question.