The 'He Would Not Fucking Say That' meme emerged as a reaction to fans or writers creating dialogue for characters that feels deeply inconsistent with their established personality. Primarily popularized within fandom circles on platforms like Twitter and Tumblr, the template features a character paired with an absurd, offensive, or uncharacteristic line they would never actually utter. It functions as both a critique of 'bad writing' and a surreal humor tool to make heroic or stoic figures say ridiculous things. The meme's popularity stems from the jarring contrast between a character's known demeanor and the fabricated caption, often used to mock headcanons or ship-related content.