I think there's an important distinction between fatties trying to look normal-people sexy and being outright fat fetish.  The former is hilarious delusion, like Ashley Ham.  The latter is what's not allowed here and is just plain disgusting.    Good content: "I am a disgusting fatass but you should still find me sexy!  Because even though I put no effort into my appearance I should still get a hottie!" Bad content: "I am a disgusting fatass and men find me sexy because of it."