digress - lose clarity or turn aside especially from the main subject of attention or course of argument in writing, thinking, or speaking; "She always digresses when telling a story"; "her mind wanders"; "Don't digress when you give a lecture"
EDIT: And theres more: http://www.thefreedictionary.com/digressing
Your mind wandered to a fairy tale article by some numb skull, which in turn, implemented as far as I saw that you were in fact calling me a ****ing idiot, whilst digressing.
I'll get you a dictionary for Christmas, not a pirate based one, just a plain old Collins paperback.