なぶり殺ごろし

noun

torturing to death; tormenting to death

Describes killing someone while inflicting prolonged suffering, often with a connotation of cruelty or sadism. Can be used literally or in figurative, exaggerated expressions.

• 犯はん人にんは被ひ害がい者しゃをなぶり殺ごろしにした。

  The criminal tortured the victim to death.

• そんな言いい方かたはなぶり殺ごろしも同どう然ぜんだ。