The story
From Hansard + -ize. The term was popularised and possibly coined by Thomas Henry Huxley. According to Sydney D. Bailey, the term had fallen out of use by the 1950s.
Etymology from Wiktionary, CC BY-SA 4.0.
Hansardize
Today it means: To confront a Member of Parliament with his former opinions as recorded in his speeches in Hansard. Full definition →