David Dobrik Explains How He Really Married His Friend's 70-Something-Year-Old Mom for Fun - Watch! (Video)

David Dobrik is opening up about his prank!

The YouTube star made an appearance on The Tonight Show Starring Jimmy Fallon on Tuesday night (January 21).

PHOTOS: Check out the latest pics of David Dobrik

During his appearance, he spoke about how he got married (for real) to his friend Jason Nash‘s 70-something-year-old mom just to become his friend’s stepdad.

Jimmy also gave David a chance to sit behind the desk when he learned that his biggest dream is to host late-night TV. He also played Charades with Martin Short!

Watch David Dobrik‘s appearance inside…