So is there an easy way to do it? I've reported repeat callers a number of times, and they just keep calling so I get weary of filling out forms online and stop

So is there an easy way to do it? I've reported repeat callers a number of times, and they just keep calling so I get weary of filling out forms online and stop. I want a big ol' button on my phone that I can slap whenever I'm dumb enough to answer.