Here are some randomly selected joke topics beginning with the letter 'S'
Spare ribs
What does a skeleton usually order when he has a meal in a restaurant?
Spare ribs.
Spectacles
Did you hear about the optician who tripped over a dog?
He made quite a spectacle of himself.
Speaking
"Hello, is this the person to whom I am speaking?"
Speak
Go ahead, speak Your Mind! I Enjoy The Silence!
Speechless
If my girlfriend said what she thought she'd be completely speechless.
Speak
Because light travels faster than sound, is that why some people appear bright until you hear them speak?