末まつ代だいまで

expression, noun which may take the genitive case particle 'no'

forever; eternally; for generations to come

Fixed expression meaning something will last or be remembered for all future generations. Often used in strong emotional or dramatic contexts, such as curses, vows, or lasting shame.

• この恥はじは末まつ代だいまで忘わすれない。

  I will never forget this shame for generations to come.

• 末まつ代だいまでの語かたり草ぐさになるだろう。

  It will be talked about forever.