Have you ever wished you had a really cool accent? Jimmy Fallon got one when he bumped into Sir Paul McCartney in a recent video segment on "Late Night With Jimmy Fallon."

In the video you see the two distractedly talking on their phones when they accidentally bump into each other. Fallon quickly realizes that they have switched accents during the collision, and he couldn't be happier about it. McCartney, on the other hand, wants his accent back.

Watch here as Jimmy Fallon tests out his new voice: