Heeere, Piggy Piggy Piggy.

After I scrape my short hair into a ponytail of sorts...
me: Do I have a little bobble on the back of my head?
Older Son: Yes. It's a piggytail. (pause) I like pigs.
me: (laughter)
Older Son: Oh! I wasn't calling you a piggy! I just like pigs!