Someone looks fine on the surface. They stand there smiling and laughing, but the poem quickly shows us what's underneath: emptiness and crying. The speaker feels trapped, as if inside a cage with nowhere else to go. That image makes the sadness feel physical, like a problem with no exit rather than a passing mood.
The ending turns darker and a little unsettling. Glowing eyes stare and watch "the damaged soul / Worth tearing." The poem doesn't say whose eyes they are. They might be a threatening presence, other people's judgment, or the speaker's own harsh inner voice. Judging by the title, "meow," a cat-like watcher is one possible reading, a predator waiting beside its prey. The mood is bleak, tense, and lonely. The short lines add to this, making the poem feel stripped down and hushed, as though the speaker can only let out the truth in small, painful pieces.