文福茶釜に毛が生えた

Reading
ぶんぶくちゃがまにけがはえた
English
To have a deception revealed
Notes
Hair毛 growing生 on a [tea kettle>文福茶釜 Tanuki or foxes would transform into this kettle to repay a kindness
Origin
江戸
proverbsKotoKen 3