Wanna hear a bad joke about paper.
Never mind it tearable.
There was the person who sent twenty different puns to his friends, with the hope that at least ten of the puns would make them laugh. 
No pun in ten did!!!!!!!!
An invisible man marries an invisible woman. 
The kids were nothing to look at either.
Two cannibals are eating a clown. 
One says to the other: "Does this taste funny to you?"
how do you start a bear race ..
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ready teddy .. go