A derogatrory term often supplanted for jerk, idot, moron, and worse names when one does not wish to swear. Helpful for situations in which you wish to remain classy while insulting your fellow individual or simply leave them clueless.
Devon: Connor, do you want to play whiffle ball?
Connor: No, I am studying for a history test.
Devon: You are such a "jay oh bee" Connor. Seriously.