Only a tooth is visible in these four lines, and that is what makes them unsettling. "Wolf at the door" is an old idiom for hunger or hardship closing in on a household. Dave Bonta keeps the idiom in the title and then never mentions a wolf or a door again. We get a table, a night, and one point of danger. The central idea seems to be that celebration is never sealed off from what waits outside it. The dark does not leave when the food arrives. It stays at the edge of the light, patient and sharp.
The poem's construction is bare. It is a single sentence with no punctuation, no capital letters, and no main verb. Unpacked, it reads something like: *a tooth of night, pointed against the whole table, at any glut of mirth*. Without a verb, nothing moves. The threat is held in place, like a photograph taken a second before something happens, and the reader has to supply the dread. The word "pointed" does double duty. It describes the tooth's shape, and it also suggests aim, as if the night were indicating its target with a finger. That small doubleness turns a description into an accusation.
The central image, "a tooth of night," is a metaphor built on part standing for whole. The wolf is never drawn, only its tooth, and the tooth is made of darkness itself. So the night becomes a jaw, and the room is already half inside it. The tooth is also singular, which is quietly effective. A whole mouth of teeth would be melodrama, but one tooth is enough to change the mood of a dinner. The same restraint shapes "the whole table." The word "whole" gathers everyone together, family or friends or guests, and makes the threat collective. "Against" is pleasingly slippery as well. It can mean opposed to, set against as in contrast, or even pressed up against, the way night presses on a window.
The sound and rhythm of the poem add to this. The lines shrink as they go, from six syllables in "against the whole table" to four in "a tooth of night," five in "pointed at any," and three in "glut of mirth." Each couplet holds a long line followed by a shorter one, and the poem tightens toward its final stressed word. There is no rhyme, but "tooth" and "mirth" share a closing *th*, a faint echo across the gap between stanzas that links the weapon to its target. Meanwhile "glut" is a blunt, swollen little word that almost sounds like a swallow. "Mirth" is softer and lingers on the tongue. Having them side by side in one short line makes excess and warmth feel like the same thing seen from two angles.
"Glut" is also the most morally loaded word in the poem. It means more than happiness, because it means too much of something. Yet the line break after "pointed at any" leaves "any" hanging, and the word suggests the tooth is not choosing carefully. It could be aimed at gluttony in particular, or at every kind of gladness. The poem does not settle this. Judging by the imagery, it could be a warning to the overfed, or a reminder that all feasting is temporary, or simply an observation that joy always has a shadow. Because the poem declines to say which, the reader has to decide how severe the night really is.
The poem is significant for how much it asks of such a small space. The title supplies a whole cultural background in four words, and the body of the poem sharpens it. The traditional wolf at the door threatens the poor and hungry. Here it points at the table and the feast, so the idiom is turned around, and plenty becomes the thing in danger. The poem also trusts its reader, and the stanza break works like a held breath between the gathered people and the dark pressing on them. A very short poem can easily feel slight, but this one stays in the mind because it ends on "mirth," with the threat still pointed at it.