Supposedly something which results in a cat being killed.
References from the canon
- Lockhart pronounced with certainty that Mrs. Norris was dead, killed by the Transmogrifian Torture. Immediately thereafter, Dumbledore informed everyone that she wasn't in fact dead, rather she was Petrified, and Lockhart pointed out that he knew this all along. Knowing Lockhart, it is distinctly possible that there is no such thing as the Transmogrifian Torture (c.f. PESKIPIKSI PESTERNOMI) (CS9)
"trans" L. across + ? "transmogrify" Eng. verb c.1656, from L. to change or alter greatly and often with grotesque or humorous effect. Perhaps also related to: "moggy" Br. slang: cat
- c.f. Calvin and Hobbes: his "duplicating machine" is called a Transmogrifier ("Calvin and Hobbes" is a very popular comic strip in the U.S.)