The phrase 'Horny on Main' is an internet slang term used to describe when a social media user posts suggestive or overtly sexual content on their primary, often public-facing account rather than a private or anonymous 'alt' profile. Originating in the mid-2010s on platforms like Twitter and Tumblr, the term highlights the breakdown of digital boundaries and the accidental (or brazen) display of 'thirst.' It has since evolved into a versatile meme format used to mock corporate brand accounts that try too hard to be relatable, or to celebrate the humor in being completely uninhibited online. Whether used as a self-own or a call-out, it remains a cornerstone of modern digital etiquette and humor.