She always keeps some mad money in her wallet, just in case.
Она всегда держит немного денег на непредвиденные расходы в кошельке, на всякий случай.
Definitionen
Mad money refers to a small amount of cash kept on hand for unexpected expenses or emergencies, often used for spontaneous purchases or as a backup in case of trouble. It can also refer to money set aside for fun or impulsive spending.