What are some of the corniest Dad Jokes you know?

[MCheetah]

What's a dentist's favorite time of day?
Tooth-hurty!

[Lliam]

Dad: How do you like fourth grade?
Son: It isn’t much fun.
Dad: That’s too bad. It was the best three years of my life!

Jimmy: What do you call your dad when he falls through the ice?
Bobby: Beats me.
Jimmy: A POPsicle!

Whenever the cashier at the grocery store asks my dad if he would like the milk in a bag he replies, "No, just leave it in the carton!"