Is there such thing as an addictive personality?

Most of us know somebody who tends to get overinvolved in certain behaviours, and the saying often goes that they must have an ‘addictive personality’.
But is there such a thing?
The idea of an addictive personality is more pop-psychology than scientific.
To understand why the idea of an addictive personality is flawed, it’s important to first understand what psychologists mean when referring to personality.