ruining oneself through food extravagance
Often used in the set phrase 大阪の食い倒れ, referring to the stereotype that Osakans spend so much on food they go bankrupt. Can also be used more generally for financial ruin caused by excessive spending on eating and drinking.
See also: 大阪の食い倒れ
Do you know the saying 'Osaka no kuidaore' (ruin oneself by eating in Osaka)?
He went to expensive restaurants too often and ended up ruining himself financially.