I dumped a shoe on the sofa and it bounced into Aj's crotch.
"Ouch! You hit me!"
"Sorry buddy, I didn't mean to!"
"You know Mom big kids don't say 'penis' they say 'balls and weenie'."
Laughing I could only mutter an "Oh!"
"And when you are in 5th grade you can say the 'C' word."
"Oh, and what (pray tell) is the 'C' word?"
Well, that is preferable to the other 'C' words that my dirty mind generated.