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41 Japanese Gen Z Slang Words Young People Actually Use

This is the slang you'll hear from Japanese people in their teens and twenties: on trains, in cafes, in video captions, and in group chats. Every word comes with a natural example, a tag for how casual it is, and an honest note on whether it's current or starting to sound old. Slang shifts by age, region, and even by school, so treat this page as a map, not a rulebook.

📝 Before you start
  • Use these only with friends your age or younger. With teachers, bosses, shop staff, or your host family's grandparents, plain polite Japanese is always the safer choice.
  • Many of these words have an older, standard meaning (yabai = dangerous, darui = physically sluggish). Older listeners may hear that meaning first.
  • Slang ages fast. A word that was everywhere a few years ago can make a teenager laugh at you, so listen for a while before you copy.
  • Tone does half the work. Words like yabai, egui, and muri can be praise or a complaint depending on your voice and face.
  • Clipped adjectives (muzui from muzukashii, hazui from hazukashii) follow a pattern. Once you see it, you'll recognize new ones on your own.

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