Filmathon comes from the words 'film' and 'marathon' and is the act of watching multiple films, mostly the from the same franchise, one after the other.
To watch a sequence of films e.g. All of the Die Hard films, the James Bond films or the Batman trilogy back to back. "Hey, you coming to mine this Friday the Starwars Filmathon"?
by Filmathon November 07, 2012