Very funnie spammer

Slides.gs

function myFunction() {
  var presentation = SlidesApp.getActivePresentation();
  var max = 10000;
  var count = presentation.getSlides().length;
  while(count < max) {
    var slide = presentation.appendSlide(SlidesApp.PredefinedLayout.BLANK);
    slide.insertTextBox("THIS IS SLIDE NUNBER #" + count)
    count++;
  }
}