The club as a weapon is a stereotype of masculinity, although rather crudely expressed in this instance. The type of club used in the game of golf for instance suggests the ability to use masculinity in a more refined way. We have great strength at our disposal, for which we need to find an outlet. To dream of using a weapon to club someone denotes an inner turmoil that has remained unexpressed. It may also depict our feelings of violence against ourselves. You might also like to consult the entry for Weapons.