If you were to call Jill Y a 'big girl’ depending on how you said it, one of two things would happen. if you had the misfortune of mouthing those words in a way that even came close to insulting, you would need to be able to run away faster than the speed of a Jamaican 100m runner. If you happened to call her a big girl and it somehow happened to come across in a sincere, humorous way, she would smile at you with the smile of someone who totally agrees with you. That’s because she is a big girl: