笠かさに着きる

expression, ichidan verb

take advantage of one's authority; abuse one's position; throw one's weight around

Idiomatic expression meaning to use one's status, power, or connections as a shield to act arrogantly or unfairly. Often used in the pattern ～を笠に着る.

• 彼かれは上じょう司しの権けん威いを笠かさに着きて、部ぶ下かに無む理りな要よう求きゅうをした。

  He took advantage of his boss's authority and made unreasonable demands on his subordinates.

• 親おやの名めい声せいを笠かさに着きるようなことはするな。

  Don't do things like abusing your parents' reputation.