Slang term for the Canadian equivalent of a 750 mL bottle of liquor, based on the number of ounces in it (which makes no sense because we use metric here but I never like to argue with drunks)

Answer for the clue "Slang term for the Canadian equivalent of a 750 mL bottle of liquor, based on the number of ounces in it (which makes no sense because we use metric here but I never like to argue with drunks) ", 6 letters:
twosix