やりすぎ

noun

overdoing; going too far; overkill

Refers to excessive action, effort, or behavior; often used critically when someone has gone beyond reasonable limits.

• 彼かれの冗じょう談だんはいつもやり過すぎだ。

  His jokes are always over the top.

• ダイエットのやり過すぎで体たい調ちょうを崩くずした。

  I got sick from overdoing my diet.