理り屈くつ屋や

noun

quibbler; argumentative person; logic-chopper

Refers to someone who habitually argues for the sake of arguing, often using overly logical or pedantic reasoning. Can be mildly derogatory.

• 彼かれは理り屈くつ屋やだから、何なにを言いっても言いい負まかそうとする。

  He's such a quibbler that he tries to argue you down no matter what you say.

• あの理り屈くつ屋やと議ぎ論ろんしても無む駄だだよ。

  It's pointless to argue with that logic-chopper.