Referencing the Jonas Brothers in a situation were someone has fallen for a ruse . Like if you where punked by Ashton Kutcher. Instead it would be at the hands of the Brothers themselves.
The Jonas Brothers play a prank on their costar Chelsea Staub, where she is dragged into a lie about a broken guitar. When it becomes clear that Chelsea is about to be forced to defend herself, the boys promptly announce that she has been Jo Bro'd!