A twist...

Dustin's brother was called Kevin and to his mind had planned it out perfectly. He had no clue what his brother looked like naked but Kevin knew that Dustin was the type of shy guy who got flustered to even get toppless on the beach! So even if he was well hung he would be embarrassed by the prank he planned to pull. He had allowed his brother to enter the shower room first so he could follow behind a few minutes later and "innocently" watch as Dustin struggled to keep his dignity without a shower curtain! He had even paid the guy who handled the swimswear to set up his brother with the broken one! There was no way for the plan to fail.

As he entered the shower room he walked over, both hands over his dick with the speedo of his hanging off his fingers. His dick wasn't small, in fact at 4 inches flaccid he was about average but he didn't like showing it too to people.
"Hey Davie" he called to the guy who took the swimsuits. "Seen the birthday boy around?" Kevin asked with a grin. Davie smirked back.
"Of course... good looking guy your brother is..." he snickered loudly as he took Kevin's speedo. "Your numbers 27" he said with a wide grin on his face. Kevin of course thought nothing of this as he walked along... that was until he saw it... Shower 27 was the broken one?! This was not what he had planned nore paid for! He didn't want to be showing his ass as he showered?! However he didn't seem to have much choice. He looked around but every shower around him was occupied an no one else seemed to be around... he would have to just be quick and maybe no one would see. He groaned as he turned the dial on the shower and let go of his junk, facing away from the exposed shower entrance so only his ass was on display.
"Lucky son of a bit-" he started before he let out a loud scream! This grew attention to him as he darted back out of the shower in shock! The bloody shower! In his annoyance about his prank falling through he had forgotten the hot water was disconnected and just hit himself completely in icy cold blasts! Now stood in the middle of the shower room he looked down and to his horror saw the cold was having an effect... on his dick! No longer 4 inches flaccid it was now barely more then the tip! Almost no shaft in sight, just 1 inch of nub with his balls shrivelled down below a thin shaven patch of pubic hair! No doubt his scream would have drawn attention and now he looked tiny! He needed to go something quick!