Baneposting represents a unique style of internet humor that combines genuine movie quotes with absurdist, context-inappropriate text. The copypasta features Bane's monologue from The Dark Knight Rises, but the humor comes from pasting it into completely unrelated discussions where it makes no sense and disrupts the conversation. This style of intentional disruption through copypasta represents a particular aesthetic of 4chan humor. The meme was frequently used to mock serious discussions about politics, relationships, or other topics by interrupting them with dramatic Bane dialogue. What made Baneposting effective was its complete disregard for context and appropriateness, the joke was that the dramatic speech had nothing to do with the conversation it was posted in. The copypasta also benefited from the specific dramatic delivery of the speech in the film, which was heavily memed for its overwrought intensity.

Baneposting emerged from 4chan's /b/ board culture, which specialized in disruptive, absurdist humor and intentional chaos. The timing of the Dark Knight Rises release and the specific way Bane was portrayed in the film made the speech particularly memeable. The rise of copypasta as a meme format around this time also contributed to Baneposting's popularity.

Baneposting worked by copying and pasting Bane's speech or variations of it into discussions where it had absolutely no relevance. The humor came from the jarring inappropriateness and the disruption of whatever conversation was happening. Some variations involved modifying the copypasta to reference specific characters or situations while maintaining Bane's dramatic tone.