The story
From Simon Tappertit + -ian, from a character in Charles Dickens' Barnaby Rudge.
Etymology from Wiktionary, CC BY-SA 4.0.
Tappertitian
Today it means: Similar to the character Simon Tappertit in Dickens' Barnaby Rudge, especially being self-important, passionately conservative and anti-Catholic, and given to big ideas poorly expressed. Full definition →