Historical clue formulations

• Like the word "truthiness," by Stephen Colbert — 2021-05-05
• Invented — 2020-03-26
• Invented, as a new word — 2018-07-17
• Made up — 2014-01-16
• Brand-new to the language — 2008-06-29
• Invented — 2003-01-15
• Originated — 2002-03-24