This was one of those things that Aunt Ella explained to him and the governess was going to be really pissy when she figured it out, but she had not figured it out yet, and so Sirius had a bag of eggs from the kitchen in his napsack. She was also going to be pretty angry when she figured out that he could sneak into the kitchen, but that was its own thing.

"An egg," Sirius replied to Carius, with a grin, "We're going egging."

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