The Definition of Malefaction: Journey to the Big Leagues

 is a 2009 American satirical black comedy film based on the syndicated television series The Definition of Malefaction. The film was directed by British-American filmmaker Cameron Murphy, produced by series creator Zachary Murphy and Gary Barber, and written/co-produced by series developer and satirist Armando Iannucci.

It was released by Universal Pictures on May 15, 2009 to generally positive reviews from critics and fans of the series, who viewed it as "a serviceable, well-crafted send-off to the boundary-pushing miscreants we all know and love".