What thoughts I have of you tonight, Walt Whitman, for I walked down the sidestreets under the trees with a headache self-conscious looking at the full moon.

The sentence-like line moves through a series of thoughts and observations without a regular meter or rhyme pattern. That loose, flowing form imitates stream-of-consciousness thought. The long line does mention Walt Whitman, but its main effect is not simply to provide background for that allusion.

AI-written and checked against the verified answer.