There are fanfictions that might look at the squinting moments between Snape and Harry. In some of these, Snape's hidden protectiveness towards Harry is shown through his squinting glares, which are actually his way of assessing threats and shielding Harry without showing it openly. A lot of these fanfictions can be found on popular fanfiction platforms like Fanfiction.net or Archive of Our Own.
Some fanfictions might play with the idea of squinting as a form of magical communication. In these stories, characters like the Weasley twins might have a secret code that involves squinting in a certain pattern. This could lead to all sorts of hilarious and adventurous plots as they use this unique form of communication to pull pranks or outwit their enemies.
In many fanfictions, Harry Potter squinting at Voldemort could be a sign of intense focus. It might be that Harry is trying to read Voldemort's next move, or perhaps he's looking for some sign of weakness. For example, in some stories, Harry's squinting could be related to his newfound magical abilities that he's using to analyze Voldemort's magic signature.
There's also 'The Lost Magic' in this genre. This fanfiction takes the idea of squinting hard at the existing magic in the Harry Potter world and expands it. It shows how there could be whole new areas of magic that the characters are just on the verge of discovering. It's really exciting as it combines the familiar elements of the series with new and innovative magical concepts.
It could mean a fan - made story (fanfiction) where Harry Potter is looking closely or suspiciously at a snake. Maybe in this fanfiction, the snake has some special significance, like being related to Slytherin or having some kind of magical power that Harry is trying to figure out by squinting at it.
One possible fanfiction could be that Harry Potter is kidnapped by a dark wizard who has some strange power that makes Harry squint. Maybe this wizard is trying to use Harry's unique connection to Voldemort for some dark ritual. Harry has to use his wits and the few spells he can manage while squinting to try and escape.
It might also indicate a newfound curiosity. Fanfiction often takes characters in different directions. Harry could be squinting at Malfoy because he's starting to see a different side of him. Maybe he's noticed something that makes him think Malfoy isn't all bad, and the squint is his way of trying to understand this new Malfoy better.
There could be some out there, but it's not a common enough trope that I can immediately name a popular one. Usually, when it comes to Harry Potter fanfiction involving snakes, it might be more about his Parseltongue ability in general rather than this very specific'squinting at a snake' situation. However, it's possible that in some niche communities or on certain fanfiction websites, there could be some hidden gems with this scenario.
I'm not sure of a specific one titled exactly like that. But you could check out popular Harry Potter fanfiction websites like Fanfiction.net or Archive of Our Own. Search for tags like 'Harry Potter', 'Nagini', and'moment of realization' which might lead you to a story where Harry squints at Nagini in a significant moment.
One interesting fanfiction could be 'The Unspoken Glances' where Harry's squinting at Malfoy is a sign of his growing suspicion about Malfoy's secret activities. It delves into their complex relationship and how their interactions change over time.
It could be that Harry has noticed some strange behavior from Malfoy. For instance, Malfoy might be acting secretively around certain areas of Hogwarts. Harry's squinting is his way of observing Malfoy closely to find out what he's hiding.
One common theme is rivalry. Harry's squinting at Draco can be seen as part of their ongoing rivalry at Hogwarts. Another theme is mystery. Draco often has secrets, and Harry's squinting might be his way of trying to figure them out.