Reese Witherspoon taught Jimmy Fallon a popular TikTok move that her 16-year-old son showed her

NBC Reese Witherspoon appeared on NBC's "Tonight Show Starring Jimmy Fallon" on Tuesday and said that she's "obsessed" with TikTok, which her 16-year-old son, Deacon Phillippe, introduced her to. The "Morning Show" actress showed Fallon how to correctly "Hit the Woah," which she described as "driving a car." The dance move involves a person moving their arms in a short, circular motion as a beat drops on a song. Visit Insider's homepage for more stories. Reese Witherspoon is "obsessed" with TikT...