Underwater jokes

I found a pen that writes underwater

It writes other words too

My dad's take on 35 years of marriage.

Me: "Mom and Dad, how does it feel to have been married for 35 years?"

Dad: "Well, it only seems like it's been 5 minutes..."

Mom: "Awww!"

Dad: "...Underwater."

what do you call an underwater dog?

a sub-woofer

Why do blonds have schools underwater.

Because deep down, they're not so stupid.

father:how are your grades son?

son: underwater, dad

father: underwater? what do you mean?

son:they're below C level