What's grey and has a trunk?
How does it rain in the circus?
The darling children having returned from summer vacation, the teacher asked if anyone had an interesting experience to share.
Little Frankie's hand shot up. He waved frantically.
'Yes, Frankie? Did something interesting happen to you?'
'Yes'm! A man was crossing the street right in front of my house, and a big truck come along and hit him right in the ass!'
The teacher frowned and shook her head. 'No, Frankie, don't say that. Say 'rectum'.'