丸まる負まけ

noun

complete defeat; total loss

Used when someone loses overwhelmingly, with no chance of winning. Often implies a one-sided contest or argument.

• 昨日きのうの試し合あいは丸まる負まけだった。

  Yesterday's game was a complete defeat.

• 議ぎ論ろんで彼かれに丸まる負まけした。

  I was totally defeated by him in the argument.