The punchlines are too long.
THEY BOTH LICK THEIR PAWS!
A: Once when you tell it once when you tell her the punchline and once when she gets it.
The punchline is too long.
THE PUNCHLINE OF THIS JOKE HAS BEEN CENSORED BY THE GOVERNMENT OF THE PEOPLES REPUBLIC OF CHINA, PLEASE REMAIN CALM WHILE WE WILL DEAL WITH THE OP IN A CIVIL MANNER.
Jim Jones, I heard he took out 909 people with one punch.
