Democratic National Committee Chairman Jaime Harrison took at swipe at fellow South Carolinian Sen. Tim Scott (R) on Wednesday with an insult on Twitter, but the Republican senator fired back with a stinging reminder from the recent past.

What are the details?

Earlier in the day, Republican leadership announced that Scott would deliver the GOP's response to President Joe Biden's speech next week before a joint session of Congress.

Harrison — who gained his new post after handily losing his bid to challenge Sen. Lindsey Graham (R-S.C.) in November — decided to flex his muscles over the decision in a public fashion.

Posting CNN's story about Scott's upcoming address to the American people, Harrison tweeted in reaction, "And I will take great joy responding to the falsehoods & the hypocrisy that I'm sure we will hear in this response." He added the hashtags, "#IGotReceipts" and "#FactChecking."

But Scott replied, "Hey Jaime, we saw your receipts. Spending $132 million and losing to @LindseyGrahamSC by 10+ points seems a little high, don't you think?"

The reactions from other Twitter users descended into further political battles, with numerous folks praising Scott for his "mic drop" response in a collection of gifs sharing applause, slam dunks, and the declaration that "there's been a murder."

But others criticized the only African American GOP senator — with multiple tweets, calling him an "Uncle Tom."