i forgot heard from where but someone say that usually in a
classroom which is boring enuff , dunno left or right brain lacks
of creativity , so will have a habbit of spinning pen , sort of
doing something creative ba.
Not only pen spinning , but also doodle-ing during lesson , listen
to mp3 etc
And make sure you practice you spinning skill well before trying
this in exam , you dont want to keep dropping the pen and ask the
invilators pick up 4 u 
