Well, it could be about Sakura hiding under a desk during a pop - up dangerous situation in the Naruto world. Maybe she's using her medical skills secretly to help an injured comrade while under the desk.
Perhaps it's a comical scenario where Sakura is under the desk because she's trying to avoid Naruto who's being overly enthusiastic. And the 'pop' part could refer to something suddenly appearing near the desk that adds to the chaos of the story.
One possible plot could be that Naruto and Sakura are hiding under a desk during a dangerous situation in the ninja village. Maybe they are on a mission and things go wrong, and they have to take cover under the desk while they plan their next move.
It could be Orochimaru. He might be after some valuable information that Sakura has and she has to hide under the desk to avoid him. The 'pop' could be one of his experimental creatures suddenly showing up.
In this fanfiction, it could also be that Hermione is forced under the desk as part of a mystery. There could be some hidden secrets or clues under the desk that she needs to discover, but she's being forced to stay there against her will at first. As she investigates, she uncovers something that has far - reaching implications for the wizarding world.
Their relationship could develop in a more intimate way. Being in such a confined space like under the desk forces them to be closer physically. This might lead to them being more aware of each other's presence and start to see each other in a different light. For example, Naruto might notice Sakura's little nervous habits and find them endearing.
One possibility is that this is a misnomer or a very tongue - in - cheek title. In the fanfiction, it could be that Harry is using some new form of magic under Snape's desk that has an effect that can be humorously described as'sucking'. For instance, he could be using a spell to draw out negative magical energy that has accumulated under Snape's desk, which is causing problems in the classroom, and the spell's action makes it seem like he's'sucking' something out.
Well, it could be about Harry finding a hidden magical object under Snape's desk. Maybe it's a potion ingredient that Snape has been secretly guarding. Harry, being curious, decides to investigate further and gets into all sorts of trouble as a result.
Well, it could be a story where there's some sort of danger in the classroom, like a sudden spell gone wrong, and Miss Granger is told to get under the desk for protection. Maybe the teacher has a premonition and wants to keep her safe from the chaos that's about to ensue.
One possible plot could be that Naruto and Hinata are working on a mission together in a hidden room with a desk. They bend over the desk to study some ancient scrolls that hold the key to defeating a new enemy. As they pour over the scrolls, they start to have deep conversations about their past, their dreams, and their feelings for each other. Their bond grows stronger as they decipher the scrolls and come up with a plan to save the village.
Maybe Naruto is discovered by a talent scout while doing some crazy ninja moves that look like cool dance moves. He then gets launched into the pop star world, having to balance his ninja life with his new pop star career.
It could be the Slytherins. They are often portrayed as the antagonists in the Harry Potter series. Maybe they're jealous of Hermione's intelligence and want to embarrass her by forcing her under the desk.