ruining oneself financially by overspending on food and drink; Osaka's fabled tendency to eat until one goes broke
A set phrase describing the stereotypical Osaka trait of spending so lavishly on food and drink that one ruins one's finances. Often contrasted with 京の着倒れ (Kyoto's tendency to overspend on clothing).
The saying 'Osaka no kuidaore' expresses that Osakans spend too much money on food.