Final answer:
The phrase 'puffed up' means excessively proud or arrogant.
Step-by-step explanation:
In the sentence, the phrase 'puffed up' means excessively proud or arrogant. It is usually used to describe someone who has a high opinion of themselves and may act superior to others.
For example, if someone is 'puffed up' with pride, it means they are overly proud of themselves and may boast about their accomplishments.
In the given sentence, 'overly amused, overly mystified, overly distracted, or overly impressed,' the phrase 'puffed up' would mean that someone is overly impressed or excessively proud of something or someone.
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