度どを越こす

expression, godan verb (-su)

go too far; overdo; exceed reasonable limits

Used when someone's actions, words, or behavior cross the line of what is acceptable or appropriate. Often implies a negative judgment.

See also: 度を過ごす

• 冗じょう談だんでも度どを越こすと相あい手てを傷きずつける。

  Even if it's a joke, if you go too far you'll hurt the other person.

• 彼かれのいたずらは度どを越こしている。

  His pranks have gone too far.