Jimmy Fallon's reign over Twitter continues to grow, as his latest experiment in hashtag storytelling, #ThatsMyDad, became a worldwide trending topic in under thirty minutes.
The premise is simple: In honor of Father's Day this weekend, Fallon asked people to tweet a funny or weird fact about their dads. His own example to get the ball rolling? "My dad wears jeans while running on the treadmill. #thatsmydad".
On Wednesday night's episode of "Late Night," Fallon read the best of what had been tweeted so far, and we've got to say, there are some weird dads out there.
You can also check out honorable mention tweets that didn't make it to the show on the Late Night Blog.