Sponging house (Eng. Law), a bailiff's or other house in which debtors are put before being taken to jail, or until they compromise with their creditors. At these houses extortionate charges are commonly made for food, lodging, etc. [ 1913 Webster ]
[いそうろうせいかつ, isourouseikatsu](n) living in another person's house without paying for food and lodging; sponging on other people for accommodation[Add to Longdo]