The speaker begins with a blunt confession: he has nothing, not even "a pot to piss in." Yet the next line pushes back. He still believes in the road, in the idea of moving on and going somewhere. That mix of poverty and stubborn faith gives the poem its energy.
The second stanza widens the view. "All of us poor and empty" turns one person's lack into something shared, set against the size of the earth, which feels both generous and indifferent. The last stanza is the most surprising. The speaker says he is "there with you," a quiet gesture of company, but he is "playing at leaving." That phrase suggests that the leaving may be half pretend, more a game or a longing than a real departure. The mood is wry, tender, and a little wistful. The speaker seems to know that the road may be as much a comfort as a destination, and he is content to share that hope with someone beside him.