Never. Ever. Ever. Accept. Food. From. Fred. Weasley. The sound is a little fuzzy, so here's what he's saying: "Would you like a Custard Cream, Neville?" "Why, thank you!" Custard creams are from Harry Potter. They turn whoever eats it into a canary (it wears off after five minutes) and cost only five Sickles apiece! That's a bargain, folks!
Harry Potter (J.K. Rowling) A tribute to Fred Weasley. (And Neville too, I suppose.) as usual, NerdEtiquette101 for getting the sound!