Mrs Laura, a kindergarten teacher, asked her class “what things we can eat?”
“Bread”
“Yes”
“Hamburger”
“Ok”
A five years girl answered “Light”,
“Omg” shouted the teacher, “how can light be eaten?”
“Last night I heard mom whispering to dad ‘turn the light off and put it in my mouth’“
This joke is included in the Black Book of Jokes. You can order it from here.