A spoken conversation can also be composed almost entirely out of punctuation!

Mom: JASMEEN! WE SHOULD GO TO JAPAN. Everyone there has white umbrellas!
Jasmine: ................
Mom: !!!!!!!!!!!!!!!!!!!
Jasmine: ??????????
Mom: .

Dudes, do you know what is gross? Seeing an old man pick his nose in front of you with a plastic bag.

Do you know what will never be the same again? MY EYES.