 He is also rude, a little self-confident, and obnoxious.His mother hits him in the head in order for him to be quiet.It is possible that "Lunchbox" is a nickname or genital-related euphemism; when Bloberta enters the room and begins to sing along, off-key, with the rest of the family, Mrs. Hymentact first asks Modella if it was she who sang out of tune.