Jinseiwamuimide-minnashindeshimaunda or 人生は無意味でみんな死んでしまうんだ is a Japanese word that means: "
Life is meaningless and we're all gonna die". This word is actually a
portmanteau of 人生は無意味で—or Jinseiwamuimide—and みんな死んでしまうんだ—or Minnashindeshimaunda. In Japanglish, you could say Jinseiwameaningless-minnashindie. Now, this is only in one way that you can say "Life is meaningless and we're all gonna die" because of 3 main Japanese systems which are Hiragana, Katakana, and Kanji; and
of course Keigo—iykyk. Now rememeber, Japanese people always say things energetically, so don't go saying to people "Jinseiwamuimide-minnashindeshimaunda!٩(^ᴗ^)۶".