After reading, have an informal survey of who liked and didn't like the poem. Ask them what parts they liked and why they liked those parts. Afterwards, proceed to what parts they didn't particularly like and why they didn't like those parts. As you are listening to the answers of the class, simultaneously highlight the parts that they liked with a yellow marker, and underline the not-so-appealing parts.
Proceed to your mini-challenge--finding the word that means exactly or almost the same as laugh (Answer - guffaw). Make it sound like it is indeed a challenge for them, and once you find a winner, praise him/her heartily. Request that student to come to encircle guffaw using the smart board marker.
Have everyone copy the poem, and tell the students to encircle the word guffaw in their notes.
To end the session, have everyone stand and read the poem with emotions. Then, post a challenge for them to say "Good-bye and thank you, teacher" by guffawing while saying their good-bye line.