"Taught To Be Polite" joke
A little boy and girl are playing outside in the back yard. The little boy has to go to the bathroom, but his mother taught him to always be polite and never talk about private matters in public.
He tries very hard to hold it in, unsure of what he should say to the little girl to excuse himself. Then he remembers what he's heard his mother say at restaurants when she's had to excuse herself from the table.
He turns to the little girl and says, "Will you excuse me, please. I must go powder my nose." He then darts into the house.
When he returns, the little girl looks at him and says, "Did you powder your nose?"
"Yes," the little boy shyly replies.
"Well then," the little girl says, "you'd better close your purse because your lipstick is hanging out."
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