Historical clue formulations

• "You said it!," informally — 2024-06-08
• "Uh-huh, you said it!" — 2023-01-20
• "Yup, absolutely right" — 2020-12-15
• "You ain't lyin'!" — 2020-10-04
• Slangy affirmation — 2019-06-30
• "You said it!" — 2019-05-03
• Slangy "Amen!" — 2018-05-28
• "Yep, you're right" — 2016-01-07