godan verb (-mu), intransitive verb
be utterly disheartened; be deeply dejected
Describes a state of deep discouragement or depression, often after a setback. Stronger than 落ち込む.
試験に落ちて、彼はすっかりしょげ込んでしまった。
He failed the exam and became completely disheartened.
叱られてしょげ込んでいる子犬
He looks like a dejected puppy after being scolded.