The term catfishing is much older than that 2010 movie: http://www.slate.com/blogs/browbeat/2013/01/18/catfish_meaning_and_definition_term_for_online_hoaxes_has

The term catfishing is much older than that 2010 movie: http://www.slate.com/blogs/browbeat/2013/01/18/catfish_meaning_and_definition_term_for_online_hoaxes_has_a_surprisingly.html http://www.slate.com/blogs/browbeat/2013/01/18/catfish_meani... By the way the Dutch word is similar: 'katvanger' and is quite old as well.