In most cases, I think of it as the equivalent of "very".
In case you don't know, by the way, Bob is just some guy doing us all a favour by sharing this site. He's funded by donations and far as I know it isn't a money spinner for him. In which case I try to pay special regard to his suggestions and rules, even if - for me - swear words are just colour.
Also, he happens to be a pretty funny and decent guy.