The fabricated charismatic personality that one obtains from extensive blog usage.(facebook, myspace, etc.)Often associated with people who show no sign of personality in public but are apt to make strong statements or engage in hefty conversations via their computer screen.
When referring to the female population, blogisma is often viewed as a positive trait.
Hey bro that talkative girl from facebook turned out to have the biggest blogisma that I've ever seen. Needless to say, I'd throw it to her.