Definition:
This is basically repeating the claim and never providing support for the premises, or, in other words, repeating the same argument over and over again

Begging the Question or Circular Argument

Examples:
Fallacy Ex: “Gay marriage is just plain wrong.”
Fallacy Ex: “Drugs are just plain bad.”
Fallacy Ex: “I can’t believe people eat dog. That’s just plain gross. Why? Because it’s a dog, of course. How could someone eat a dog?”
Fallacy Ex: “Obviously logging causes severe environmental damage. You don’t have to be a scientist to see that; just go out and look at a clear cut and there it is: no trees.”