A Meme Editor is a person that edit memes like "Lazytown,Nutshack,Ain't got Rhythm,Let it grow" and much more memes to edit on.
What do they use to edit there Videos? Edit
Well at first the most meme editors people use "Sony Vegas 13 (or any other versions of it)"
You could still find out what there using of the editor with the watermark on it.
and i know you want to know why the watermark is there,is because that there not using the full version of the editor is only the trial of the editor.