A Californian milkshake is when a male and a femal both excurge all of their bodily fluids (sherbet, ejagulents, urine, menstrational fluids, feeces, mucus,etc.) into a blender and then ice is added to the mixture and it is then blended to form such a magnificent creation.

When you eat dirt for the first time and leave your family to build a shack in the woods