Talk:Broken Foot/@comment-27658474-20160821193602/@comment-995426-20160822225038

See senpai at Wiktionary. It means "mentor," or "upperclassman," or (in more of a jocular sense fed by Japanese popular anime, manga and visual novels) a person of higher social rank someone has a same-sex crush on. The third sense is exemplified by the meme "Senpai noticed me!"