Invented languages tend to be the stuff of fantasy or science fiction worlds. But as a child, you may have made one up yourself.
Take Pig Latin, which involves moving the starting consonant of a word to the end and adding an “-ay” sound. “Pig Latin” thus becomes “ig-pay atin-lay”, while words beginning with a vowel have a “-way” at the end. With a little practice, you can hold entire conversations in Pig Latin.