The phrase Dark Mango Psychology grew out of Roblox Blox Fruits meme culture, where Trollge-style edits pair unsettling faces with dead serious captions. The existing tagline about playing with your life on the line became the core joke, and the mango reference connects it to in-joke edits shared with the caption those who know. Clips spread through short gaming edits and soundboards as a shorthand for fake-deep intimidation. It remains popular because players instantly recognise the overblown seriousness applied to a grind they know well.