expression
currying favor; brown-nosing; bootlicking
Rare, literary expression for shamelessly ingratiating oneself with a superior. The literal meaning is 'sucking pus from carbuncles and licking hemorrhoids', describing extreme sycophancy.
「吮癰舐痔」とは、上司にこびへつらう醜い行為を指す故事成語だ。
The phrase 吮癰舐痔 is a classical idiom that refers to the ugly act of fawning over one's boss.
A yojijukugo (four-character idiom) of Chinese origin, literally 'suck carbuncle, lick hemorrhoids'. It describes the most servile flattery imaginable. The exact historical derivation is uncertain, but it is a fixed classical expression.