The 'Crocs In Sport Mode' meme refers to the act of moving the heel strap on a pair of Crocs from the front (relaxed mode) to the back (secure mode). This simple physical adjustment has become internet shorthand for 'getting serious' or entering a state of high performance, often compared to a car engaging four-wheel drive. While the concept of sport mode had been a niche joke among owners for years, it exploded into a mainstream viral trend on TikTok and Twitter around 2019. It is now widely used to signal that the user is about to engage in a physical challenge, a heated debate, or any intense task where maximum stability and focus are required.