The Rock told Fallon the boulder with a chain wrapped around it was a late Christmas gift to help him get in shape for the holidays, but really, it was just a creative plug for his new NBC reality competition series "The Titan Games." The new show, which the action star hosts, features ordinary people competing in epic physical challenges designed to test the mind, body and heart.
Still, props to the late-night host for being brave enough to try.
Fun fact: The Rock said he actually weighs more than the rock Fallon was trying to move. So next time the wrestler-turned-actor actually physically appears in the "Tonight Show" studio, we challenge Fallon to try to move The Rock.
Fallon does eventually complete the challenge, but not by himself. Watch the bit below to see who helped him pull it off.