studious maximus means to study to the max; beyond what a normal person would ever consider studying; to study all day and all night and probably on lots caffeine.
With six finals and four term papers due on thursday Peter was studious maximus last week and he didn't sleep a wink.
Bob: " What's on your plate for this weekend?"
Carol: "Studiousity and books unfortunately. I have an exam Monday morning." studious eruditebookish academic