The discussion revolves around a humorous and light-hearted topic of "fish slapping," where participants express their preferences for which fish they would like to be slapped with. The concept is presented as a quirky initiation ritual for newcomers in the forum. Armored catfish is mentioned as a preferred choice, although it does not appear in the poll options. Participants joke about various fish, including sea bass and flounder, with flounder gaining popularity for its satisfying slap potential. Concerns about the dangers of certain fish, like octopus and mercury levels in sea bass, are raised, but the overall tone remains playful. The conversation also touches on the absurdity of the ritual and its origins, with members sharing personal anecdotes and humorous fish-related stories. The thread highlights the community's camaraderie and the absurdity of the fish slapping tradition, while also addressing the ecological implications of releasing exotic fish into the wild.