You try to pull away again but the voice pulls back, slamming you against the wall and pulling your cock farther into the next stall. You bang on the wall in protest and are about to cry out when the lips close around your tip again.
Instead of sucking or licking, the voice begins...blowing. The unexpected airy sensation suprises you and you stop struggling. A wave of pleasure washes over you, and though you try to supress it, you moan loudly again.
The voice blows again and your cock instantly gets rock hard. It just feels that good. "Don't stop..." you moan, putting your hands against the wall and bracing yourself.
The voice chuckles, slightly muffled from...well, your cock in it's mouth. "Don't worry..." It says, before blowing again.
You didn't think it was possible, but you get harder. The pressure builds, feeling as though your cock could stick straight out without falling over. More blows come and you feel your cock pressing against the confines of the hole. Even more and it's almost painful how tightly your cock is pressed against the hole.
It's then you feel something brushing between your thighs. Looking down, you gasp in shock. Your balls have inflated to the size of softballs. They almost weigh you down with how heavy they are.
Your cock is much worse. Once fitting comfortably in the hole, it has swelled so large you can feel splinters from the wood pressing into the tender skin. It's now at least as thick as a soda can and almost twice as long as it used to be.
The voice blows again and you watch in terror as your balls increase slightly in size and you cock grows in girth and length. It's been inflaing your groin the whole time!
"What have you done to me?!" You cry. The voice laughs thickly. "It's what you wanted, isn't it?"
With one quick shove, you disloge your cock from the glory hole. You shiver in disgust as you feel it sliding out of the voice's mouth. Your cock, once a respectable eight inches, is at least four times that as it pulls out. It looks strange, too, almost as if it belongs to a...