The Megalodon' (5 letters) The term 'whale of a film' is a phrase used to describe a movie that is particularly impressive or entertaining. The two crossword solutions for this term are ORCA and 'The Megalodon'. ORCA is a 1977 American thriller film about a killer whale that seeks revenge on a group of people for killing its mate. 'The Megalodon' is a 2018 science fiction action horror film about a megalodon, an extinct species of shark, that is released from the depths of the ocean.