Nothing, because cats don't speak.
This joke makes more sense if you can see it in person, but we'll give it a shot, anyway. Use your imagination. Why do the ladies love Jesus? Because he was hung like this!
Person 1: To defend myself. Person 2: Discipline. Me: My girlfriend keeps stealing my fries.
Ventriloquists have to be able to speak with their mouths closed. Politicians speak out of both sides of their mouths simultaneously.
Dppelspider
A purrvert.
Because there is no oxygen and they'd die from UV radiation, you idiot.