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originEgen-nam combines 'egen,' from estrogen, with 'nam,' meaning man. It spread across Korean social media and online communities in the mid-2020s alongside testo-nam, testo-nyeo, and egen-nyeo as a personality-labeling meme. Rather than describing actual hormone levels, it playfully characterizes softness, sensitivity, empathy, and a gentle aura.

origin‘Teto-nyeo’ combines ‘teto,’ shortened from testosterone, with ‘nyeo,’ meaning woman. Online, it is used less as a biological claim and more as a playful archetype for women who are direct, proactive, expressive, and leadership-driven. It spread alongside egen-nyeo, egen-nam, and teto-nam as a meme-style way to describe dating energy and personality vibes.

origin‘Teto’ comes from testosterone, and ‘nam’ means man. Along with egen-nam, egen-nyeo, and teto-nyeo, it spread as a social-media personality meme that loosely sorts people by hormone-coded vibes, appearance, and dating preferences. It does not refer to actual hormone levels; it is closer to an exaggerated internet shorthand for a masculine, direct, high-drive aura.

originA blend of ‘simulation’ and ‘love.’ The term emerged around the growing culture of emotional attachment to AI chatbots, virtual characters, and dating-simulation partners. It captures a shift where people seek low-friction intimacy, instant emotional feedback, and relationship-like comfort from simulated or artificial companions.

originA blend of “meta” and “sensing.” If metacognition is the ability to objectively understand oneself, meta-sensing extends that idea into emotions: noticing, naming, and managing how you feel. It spread as a 2026 trend keyword connected to Gen Z emotional self-care, self-observation, AI-assisted reflection, and relationship feedback culture.

originThe meme grew from IVE member Jang Wonyoung’s famously bright and positive way of reframing situations. Closely tied to the phrase ‘Lucky Vicky,’ it spread through fandom spaces and social media as a playful way to turn setbacks into lucky moments.