1. (noun) any content on the internet whose humor derives from its surreal nature and/or its lack of clear context. Differs from a meme: whereas a meme's humor comes from its repeatability, a shitpost is funny simply because it isn't a predictable repetition of an existing form. Shitposts can become memes, but memes cannot become shitposts.2. (verb) to create such a postA person who shitposts is known as a shitposter