Na jokes

Dad: Come on, David, go dress up like a girl.

David: Isn't that illegal?

Dad: Nah, it isn't illegal if you keep the buttons in.

David: I hate my life.

I asked my friend if they wanted to hear a joke about sodium, and they said, "Na."

A kid asks for an ice cream. The man says, "Any sauce?" and the kid says, "Na, I got ketchup at home."

What is Beethoven's favorite fruit?

A Ba-na-na-na! (To the tune of Beethoven's 5th symphony)