Enjambment - the sentences do not finish with the end of the line.
Simile - "like a slackened drum"
Maybe even hyperbole, since it is an exaggeration.
Answer:
Better Decision-Making Skills. Being able to speak another language can help you make better decisions. ...
Improved Memory. Learning a foreign language helps improve memory. ...
Increased Attention Span. ...
Improved Ability To Multitask. ...
Increased Perceptual Sensitivity. ...
Better Cognitive Abilities. ...
Improved First Language. ...
Bigger Brain.
Explanation:
The significance is that it is not really a costume, he has the actions of being a fool.