Meaning of 逆鱗 in Japanese

Definition of 逆鱗

げきりん(gekirin) 【逆鱗】

げきりんにふれる(gekirinnifureru) 【逆鱗に触れる】

(exp, v1) to infuriate your superior; to incur the anger of one's boss; to bring (a superior's) wrath down upon (one)
彼、ボスの逆鱗に触れ、地方支店に追いやられたよ。
He recently had the bad luck to incur his boss' wrath and got sent out to work in the boondocks.
to provoke the Emperor's displeasure