The story
A humorous, intentionally morphologically opaque neologism and nonce word coined by American television writer David X. Cohen for “Lisa the Iconoclast”, a 1996 episode of the animated sitcom The Simpsons. The ending resembles corpulent, temulent and other Latinate adjectives (derived from -ulentus (“full of, abounding in”)).
First known use, by meaning
- from 1996 Acceptable, satisfactory, or valid.
Etymology from Wiktionary, CC BY-SA 4.0.