う
　
ま
　
い
しる
汁
　
を
す
吸
　
う

expression, Godan verb

Idiomatic expression.
  1. to be onto a good thing, to make money without working, to line one's pockets.

Variations

Pronunciation Kanji Kana Is Common
　
う
　
ま
　
い
しる
汁
　
を
す
吸
　
う
 うまい汁を吸う うまいしるをすう
うま
旨
　
い
しる
汁
　
を
す
吸
　
う
 旨い汁を吸う うまいしるをすう

Contained Kanji Breakdown

soup, juice, broth
しる　ジュウ　つゆ (9th, N1)
water, water radical (no. 85)
さんずい
ten
ジュウ　ジッ　ジュッ (1st, N5)
suck, imbibe, inhale
キュウ　す.う (6th, N3)
mouth
くち　コウ　ク (1st, N4)
reach out, exert, exercise
およ.ぶ　キュウ　おい (7th, N1)
from, possessive particle, whereupon
ノ　の　すなわ.ち (Kentei Pre-1, N1)
katakana no radical (no. 4)
ヘツ　えい　よう (Kentei 1)
dot, tick or dot radical (no. 3)
チュ (Kentei 1)