"Wait, can this change...anything?" Bill asked, his hand drifting back towards his crotch.
Jon followed his hands down to Bill's crotch. His eyes lit up. "I think it can change anything. Let's test it!"
He typed into the phone 'Make Bill's dick 5 inches longer and 2 inches thicker.' Bill tried to watch what Jon typed, but Jon held the phone away from him. "Let's see if you can guess what I typed."
Bill frowned at Jon but looked down to his crotch to see if anything was happening. "Whoa!" he shouted as his groin started to push outwards as his dick grew thicker and longer. "How big did you make it?" It kept growing and bulging out his underwear. Finally, Bill needed to know exactly how big it got and pulled out his dick, not caring Jon was in the room.
"Holy shit I can't even put my hand around it anymore!" Bill exclaimed. He looked back up at Jon, but Jon was too busy staring down at the member in Bill's hand. Jon's eyes on him started to make Bill grow hard. "Jon...?"
"It's so big," Jon whispered. "...can I touch it?" Bill nodded. Jon moved forward to put one hand on Bill's member. "I can't believe that worked." Jon started to rub Bill's dick, bringing both of his hands together so he could wrap them all the way around. Bill did the same, rubbing the bottom part of his dick. It grew to full hardness and the two boys kept rubbing and rubbing, Bill with his eyes closed and Jon unable to tear his eyes away from the member until...
SPLURT!
Jon, who had been standing in front of Bill, was covered in cum as Bill's dick kept spurting and spurting. Bill let out a long groan before opening his eyes to see Jon covered in his cum. "Sorry, Jon..."