Because he screwed up the delivery...
They love to watch mistakes being made.
He screwed, nutted, and bolted.
A Penguin rolling down a hill What's black and white and laughing The penguin who pushed him
You stop laughing and shoot him again.
A picnic table can support a family of 4.
removed (two children)
Delivery
Don't worry, he will inform you after delivery of the punchline has taken place. Just a joke!
A Klingon! since obstetrician gynaecologist is too long, and OB GYN doesn't make sense ,lets call them Klingons