Clubland (2007)

Jean Dwight is a raunchy homemaker, cafeteria worker, mother of two and, since her split from her country music singing husband, in demand on the Sydney RSL comedy circuit. When her elder son, Tim, meets and falls in love with the beautiful and feisty Jill, Jean sees her tightly constructed world starting to crumble around her and the battle lines are drawn between mother and girlfriend.

Official website: http://www.clublandthefilm.com