Dad

[rebbonk]

A small boy is sent to bed by his father. Five minutes later..."Da-ad..."
"What?"

"I'm thirsty. Can you bring me a drink of water?"
"No. You had your chance. Lights out."

Five minutes later: "Da-aaaad..."
"What?"

"I'm thirsty. Can I have a drink of water??"
"I told you no, If you ask again, I'll have to spank you!"

Five minutes later...Daaaa-aaaad..."
"What?"

Spoiler:

"When you come up to spank me, can you bring me a drink of water?"