I think you are thinking of the phrase  the other way around , which does essentially mean the opposite, but in a specific way. The specific nature of the other way around is that it means that doing what you say in the opposite direction is correct, not necessarily the exact opposite.
Once kittens reach 4 weeks of age, their mother usually begins to wean them off milk and onto solid foods. Because the weaning process can take up to six weeks, purchase a small amount of kitten milk replacement formula and mix it into your kitten's food during his first two weeks with you.
Kittens, at any age, have small stomachs, so the best method of feeding is little and often, as often as four to six times a day for very young kittens. As kittens get older and bigger, they can be fed bigger portions in less frequent meals. By 6 months, a kitten can generally eat two or three times a day. How often a kitten needs to eat wholly depends on each individual. Some kittens eat more and some eat less. Generally speaking, its ideal to feed your kitten as much as it wants. Kittens need twice as much Protein as an adult cat does, so don't be surprised if you are feeding your kitten much more than you would an adult cat.