"Well, you'd better get back to Mom before she notices you're gone," Max said with a sigh as he guided his little brother to the exit. He still had to go to the bathroom after all.
Going back to the urinal, he stopped on the way to look in the mirror. The front of Max's shorts filled out very nicely with his new large bulge. Turning to the side, he admired how it stuck out from his legs in an obvious manner before the thought hit him: would he grow again?
Only one way to find out. Standing in front of the urinal, Max admired the bulge once more before slipping his basketball shorts off.
The effect was immediate. Max groaned in pleasure as his nuts once again expanded, this time to the size of melons. His cock once again began to thicken and lengthen, growing closer to the ground and hanging further out of his severely-stretched underwear. When the tingling stopped, Max stared dumbfounded at his new 24 inch long cock. He had a two-foot-long!
Snapping out of it, Max hefted his giant cock up and marveled at how his cockhead was almost the size of a tennis ball! Quickly he pointed it at the urinal using both hands and did his business. After he was done, he shoved it down the leg of his shorts, where it hung past his knee. Annoyed, he tried to pull it back into his underwear but his overgrown nuts were taking up all of his space. Sighing and not thinking of a better way, Max pulled his cock up through the waistband and under his shirt. It was so ridiculously long it came dangerously close to coming out at the top, but for now his cock was hidden in his shirt.
Washing his hands as best as he could, Max left the restroom...