Johnny asks his mother

Little Johnny asks his mother for $20.

His mother refuses to which Johnny says,

“If you give me $20 I will tell you what dad said to the maid when you were out shopping.”

Johnny’s mother says, “Ok Johnny, here is 20 dollars. Now, what did your father say to the maid?”

Johnny replies, “Hey Doris, can you make sure that I have a clean shirt for tomorrow.”