A woman roleplaying Filch, asking for five people: Harry (must bring primed Firebolt), Ron (must be red-headed w/ freckles, brings firewhisky) Malfoy (cry like a bitch on command), Remus Lupin (furry), and Dumbledore (haarudo gay; must be ready to penetrate the other four at a moment's notice).
The second part was a general list of how the evening would go down.
The final part said that if there was interest, they could draft as short stumpy person as Dobby.