"Hold still, Sammy!" Dean sighed with exasperation as his little brother kicked away the fresh diaper. Again.
The baby gurgled with unrestrained delight and reached out for Dean with chubby, eager arms. "Deeeee!" he cooed. "Deeeeee!"
"Shhh!" Casting a quick look at their still sleeping father, Dean whispered, "Just don't pee before I get this thing on you, okay?"
As if the child had been waiting for just those fatal words, a thin stream of urine shot from Sam's little pink penis and straight into Dean's startled face.
"Deeeeeee!" Little Sammy Winchester kicked his feet and chortled with glee. "Peeeeeeee!"