Definition of 吮癰舐痔 (せんようしじ)

expression
currying favour (favor), brown-nosing, bootlicking, sucking pus from carbuncles and licking hemorrhoids (haemorrhoids)(yojijukugo, obscure)
Related Kanji
suck
boil, carbuncle
lick, lap up, burn up, taste, undergo, underrate, despise
piles, hemorrhoids