What?! No, he didn't. Yes, he did! But it was part of a YouTube stunt by filmmaker Devin Graham, AKA Devin Supertramp, famous for his daring mini-movies gone viral. His latest video, 'Boyfriend Pushes Girlfriend Off Cliff - Insane Rope Swing' has been viewed more than three million times on YouTube.

The tension builds as you watch Jessica Powell's boyfriend Creighton Baird encourages her to go ahead with the jump - free falling off a four hundred foot cliff into a canyon in an extreme 'pendulum rope swing.' After she repeatedly hesitates, he decides to just push her. As she goes screaming off the cliff, said to be somewhere in Utah, she yells to him, "I'm breaking up with you!"

Here's the video:

World's Most Insane Rope Swing Ever (Original):

And here's the even more fascinating 'Behind the Scenes' video: