The One Finger Selfie Challenge first emerged in late 2016, heavily inspired by an illustration from Japanese artist Sky-FreeDom. The challenge tasks participants with taking a mirror selfie while using a single finger to strategically cover their private parts, creating a clever optical illusion. It quickly gained traction on social media platforms like Twitter and Instagram, becoming a viral phenomenon. While often associated with adult content, the meme has evolved into various parodies, where users use the pose to hide unexpected objects or create humorous subversions of the original daring trend.