You need to piss

After you eat your deliciously seasoned burger, and drink a likely unhealthy amount of soda, you feel the sudden urge to take a piss.

You look around and see a beer bottle sitting on the table next to your dad, and hatch a plan.

Slipping the ring on, your semi-hard cock appears next to it, as you shout to your father; "I bet you can't chug that whole bottle right now!"

"Oh really? I bet I can!" he says as he lifts your dick from the table and puts it to his lips. Your cockhead slips into his mouth as you release the tension in your groin. A torrent of piss floods your dad's throat as he manages to gulp it down. However, you've had a lot more than one bottle's worth stored in there, and he soon loses control. His cheeks swell and piss begins to leak out the sides of his mouth before he breaks, getting one last half-gulp before coughing the rest up.

"Now look what you've done!" your mother says, as the last dribble of urine spurts from your slowly shrinking dick, "Go take a shower right now!"

You remove the ring as your father gets up, defeated. "How much do you owe me?" you ask.

"Shattap," he jokingly replies as he enters the house, taking of his soaked shirt as he does. You decide to follow him in, and...