I shorter term used to define the musical group "The Jonas Brothers"
Normally used as an affectionate term by fans of their music
Possibly coined from the 'Hanna Montana' eppisode when Hanna's father refers to the group as such
person A: "I love the jo-bros!"
person B: "OH I know! Which Bro is your fave?"
person A: "I love all the jo-bros!"