The answer that fits the blank provided above is BROTHER. This question is based on Harper Lee's novel "To Kill a Mockingbird". So when Atticus returns home for the first time after the trial, Aunt Alexandra empathized for him and called him Brother. Hope this helps.
A “thwop” is supposedly the sound when you serve mashed potatoes, like when you throw it off your spoon. So, you can word it as a serving of mashed potatoes or the sound of serving mashed potatoes.
