An enthusiast is someone who is passionate and excited about something. The term 'enthusiast, and then some' is often used to describe someone who is even more passionate and excited than the average enthusiast. The two crossword solutions for this term are 'MANIAC' (6 letters) and 'FREAK' (5 letters). Both of these words refer to someone who is extremely passionate and excited about something, and thus they can be used to describe an enthusiast, and then some.