Your gateway to endless inspiration
One of my favorite stories I have for the mauraders era is where they are at a Ravenclaw party and it is insane.
Peter and Edgar are just making out in a bathroom the whole time, while Pandora, Evan and Xenophilius went up to smoke in one of the dorm rooms and hear a noise and find the two making out. So Pandora leaves but Xeno and Evan just go to another dorm, get high, and kiss. When Pandora walks down stairs Mary is at the bottom of them so those two of them for no reason, like they don't even know why they kissed, leading to Emmeline getting jealous and going up to Lily and asking her to kiss and Lily and she's like yeah sure so they kiss.
We also have James and Regulus not so secretly flirting with each other. Remus being mad at Sirius for some reason so he flirts with Barty for a bit but it doesn't matter cause Sirius is on the other side of the room doing shots with Marlene and Dorcas.
This is why Ravenclaw parties where all the all the houses are there are rare cause it gets to chaotic.