...d closed it around Bart's shaft.
Bart lurched back reflexively, pulling his glans out of Maggie's mouth as he fell back on his butt. He could feel his sister's spit covering his dick, and the cool air against the warm saliva sent a thrilling sensation up and down the length of it.
Maggie crawled between her brother's sprawled legs, placed her hands on the soft flesh where boyhood meets body, and took all of Bart's 10 year old 3 inch penis into her mouth, suckling it like a hungry kitten.
His mind reeled and his little pee-pee felt as if it was on fire. The feelings he was experiencing were like nothing he'd felt before. All he could do was watch Maggie's cheeks puff and feel her tongue rub the tender underside of his most private of parts.
He just laid there and let the feelings wash over his confused body, trying to sort out what his body was telling him. He realized he was spreading his legs and arching his back.
"Maggie is sucking on my pee-pee!" he thought to himself; "My little baby sister has my pee-pee in her mouth!"
The notion set his mind and body on fire as he considered it, and Bart's hips began to pulsate. The convulsing spread through his frame like an earthquake. He began to think about all the so-called 'naughty' names that he also called his pee-pee.
The muscles in his pudgy stomach were beginning to tense, and the muscles in his...