Why did the chicken cross the road?

In the bathroom once again (where everything interesting in our house seems to happen), Reilly turns to Shawn, and apropos of nothing says:

"Mommy, what do you call a bear with no socks?"

"I don't know Reilly, what?"

"Bear-foot!"

A moment of quiet ensues, and then Shawn and Reilly share a laugh over the successful delivery of Reilly's first joke.