sixer noun6 •(informal) A shot in which the ball passes over the boundary without touching the ground, for which the batting team is awarded six runs. •(slang) A six-pack of a beverage.Well, I'll let you get back to work. I'll swing by later on with a sixer of Melonade! — 2006 •A Cub Scout or Brownie who leads a group of six.Many packs have a sixer's council where the sixers, and sometimes the seconds, meet with Akela and some of the other leaders. — 1995 •(slang) A prison sentence of six months. •(UK) A conker that has won six matches.The history of 'oners' becoming 'sixers' through successive victories[…] — 2005 •(India) A transgender person formssixers