The speaker looks back on being groped in public places: in a coach, on a boat, in the street. The list is short and flat, as if these moments have happened so often in so many settings that there is nothing left to say about each one. There is no escape in any of them.
The middle lines carry the emotional weight. "How numb I am to it" suggests the speaker has had to switch off a response that once would have been sharp. The phrase "that pernicious hand" turns the abuser into a single harmful body part, anonymous and faceless, yet still damaging.
The last lines hurt most. The speaker says the man would have her be "the whore fit for no one." Judging by the wording, the touching has left her with a label she never chose, a sense of being made worthless. The mood is bleak, quiet, and bitter. The poem's brevity makes the numbness feel real, and the anger stays under the surface.