Q: Why do bicycles fall over?
A: Because they're two-tired!
A guy in a bar, trying a new pick-up line, says to a girl, "Do you like raisins?"
She says, "No, sorry."
He then says, "Do you like nuts?"
She says, "No, sorry."
Finally he says, "How about a date?"
A secretary has been to London with her boss. When she is back at the office one of her colleagues asks her if the boss has shown her Big Ben.
"Yes, already on the boat."
Marathon runners with bad footwear suffer from the agony of defeat.