I'm not sure if there is a specific fanfiction with this title. You can try searching on popular fanfiction websites like Archive of Our Own or FanFiction.net.
It usually involves adult-oriented and explicit content focused on a certain character type. But such comics are often not suitable for general audiences.
The main trait of big dick comic hentai is the emphasis on oversized male reproductive organs and the exploration of sexual fantasies related to them. But it's important to be aware that this type of content is restricted to specific adult audiences and may not be appropriate or legal in all circumstances.
Big tit hentai manga typically emphasizes the physical attribute of large breasts more prominently. Regular hentai manga can have a wider range of themes and character features. However, both types may not be suitable for all audiences due to their adult nature.
Well, without reading it, it's hard to say precisely. 'Harry loves huge jugs' might be a metaphorical or symbolic title. Maybe Harry in this fanfiction has a passion for collecting or using big jugs for some special purpose within the fictional world, like they could be magic jugs in a fantasy setting.