The curse could be something like making Harry lose his memory temporarily or causing him to have a hard time concentrating on his magic. There are so many possibilities depending on the author's imagination!
Well, it could be a magical curse that affects Harry's powers or abilities.
One possible interpretation could be that in this fanfiction, Draco is under a curse that makes him physically or metaphorically 'hard' in some sense, perhaps in terms of his personality becoming more unyielding. Another could be that it's a rather strange or creative curse where he is stuck in a state that is difficult to break free from, which could lead to various plot developments and character interactions within the fanfiction.
It could be in a dramatic and public setting, like during a school assembly.
It could refer to a plot element where kisses are somehow cursed in the fan - created Harry Potter story. Maybe a character is cursed through a kiss or kisses are used as a vehicle for a dark spell.
When Harry breaks the cursed fanfiction, it might first cause a shockwave through the story's plot. The events that were supposed to happen due to the curse no longer occur as planned. For example, if the curse was making certain characters act in a particular way, they might regain their true selves. It could also potentially expose the source of the curse, leading to a new adventure for Harry as he tries to find out who or what was behind it all.
I'm not sure specifically as this sounds like a very strange and inappropriate topic. In the normal 'Harry Potter' world, there's no such concept. Fanfiction should generally stay within the boundaries of the original magical world themes, like Hogwarts adventures, the fight against Voldemort, and the relationships among the characters.
Well, 'Harry Potter cursed fanfiction' could refer to fan - written stories within the Harry Potter universe that have a rather dark, twisted or 'cursed' element to them. It might involve characters in very difficult or abnormal situations not typically seen in the original books. For example, it could include dark magic being used in ways that are more extreme or having characters face truly horrifying fates.
It could be that Harry breaks the cursed fanfiction through his strong will and determination. He refuses to be controlled by the curse within the fanfiction and his inner strength somehow shatters the curse. For example, if the curse is trying to manipulate his thoughts, he resists and in the process breaks it. Also, he might get help from his friends. They could combine their powers or knowledge to find a way to break the curse, like Hermione's research skills helping to figure out the nature of the curse and Ron's loyalty giving Harry the extra boost he needs.
Cursed fanfiction is a type of fan - created writing that often contains very strange, disturbing, or unconventional elements. It might involve combining characters from different universes in really odd ways, or putting them in situations that are completely against their normal character traits. For example, making a cute and friendly cartoon character into a villain in a very dark and twisted story.
Their relationships could be developed uniquely by having them participate in a magical tournament that's not like the Triwizard Tournament. They are on different teams but have to cooperate secretly to overcome some corrupt judges. Draco might start to see Harry and Hermione in a new light as they work together to expose the wrongdoings. This shared experience outside of the normal Hogwarts rivalries can bring them closer.
One factor could be extremely OOC (out of character) behavior of the main characters. For example, if Harry was suddenly portrayed as an evil, power - hungry wizard. Another could be really dark and disturbing themes that don't fit the generally family - friendly tone of the original series, like excessive gore or inappropriate relationships. Also, if the fanfiction completely butchers the established magic system or lore of the Harry Potter world, it might be considered 'cursed'.