As a slang term for [先輩]{せんぱい}, パイセン doesn't seem to be very popular. I occasionally hear it used among young people. Is it mostly a term used in Tokyo (dialectal)? Where did it come from? My impression is that this term has been around so long that it is unlikely Internet slang.


1 Answer 1


As Japanese can be written vertical too, Paisen results in reading the kanji from below to above. It is an internet slang popularized by comedy artists Yano and Yano.

  • Where did you find that it is Internet slang?
    – By137
    Feb 13, 2020 at 5:25
  • Just word of mouth, through my office colleagues. Feb 17, 2020 at 0:03

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