The text that contains the irony or comic is:
"I would say something like this: "Howdy-do-well-I-thank-you-where-you-going?
What is a Metaphor?
A metaphor is simply a literary technique or a figure of speech that compares two objects or subjects that have nothing in common without using the words:
"like" or "as"
For example, Their skin was practically on fire." is a metaphor while "their skin was as fire itself" is a simile.
The extended metaphor is seen depicted as: a "Proscenium box for a born first-nighter."
Here he likens the top of the gate-post to a proscenium box.
Learn more about Metaphors at:
https://brainly.com/question/7954582