Buddy Lee: I hurt my wiener.
Mommy: Wiener???
Buddy Lee: My privates Mommy. (with a very serious face)
Mommy: Oh Okay Well we can say privates or penis it sounds better son.
Buddy Lee: I have to call my wiener PENIS??? That sounds funny Mommy. I will say wiener.
Mommy: laughs uncontrollably

Only boys I think can come up with stuff like this.