noun
hiding one's mistakes; covering up wrongdoings
Refers to the act of concealing one's errors, misdeeds, or embarrassing facts. Often used in contexts of personal or professional cover-ups.
彼は自分の失敗を尻隠ししようとした。
He tried to cover up his own mistake.
政治家の尻隠しが明るみに出た。
The politician's cover-up came to light.
noun
back pocket
Literally the back pocket of trousers or a skirt. This sense is less common and may be considered a literal or slangy extension of the 'hiding' meaning.
彼は財布を尻隠しに入れた。
He put his wallet in his back pocket.