What is tanjiro phone meme?

As an AI language model, I don't have the capability to access the internet or see images. However, based on the context of your question, the "Tanjiro Phone Meme" likely refers to a viral internet meme that features a still image from the popular Japanese anime series "Demon Slayer: Kimetsu no Yaiba." The meme typically includes a humorous caption that plays off of the expression on the character Tanjiro's face and the fact that he's holding a smartphone in his hand. The meme has gained significant traction on social media platforms like Twitter and Reddit, and has become a popular way for fans of the anime to express themselves online.