The 5 Seconds of Summer (5SOS) meme culture centers around the Australian pop-rock band that rose to global stardom in the early 2010s. Unlike a single static image, these memes typically utilize reaction photos of band members Luke Hemmings, Michael Clifford, Calum Hood, and Ashton Irwin to express various emotions or narrate fandom experiences. Common themes include self-deprecating humor about being a dedicated 'stan,' celebrating new album cycles, and capturing candid, often goofy moments from their tours and interviews. The 5SOS meme community remains highly active on social media platforms like Twitter, TikTok, and Tumblr, where fans turn every band interaction into a relatable cultural moment.