"Big Jack" is a song by Australian hard rock band AC/DC. It is the second single and the third track on the band's most recent album, Black Ice. This song was number 53 on Rolling Stone's list of the 100 Best Songs of 2008. The song was also featured in an episode of CSI: Miami entitled "Divorce Party". It is rumored the song was inspired by a man Angus hung out with in Memphis while on the Stiff Upper Lip tour.
It is also one of the songs from the album "Black Ice" that was played on the Black Ice World Tour that commenced in October 2008 and ended in June 2010.