noun
loan shark; high-interest consumer finance firm
Colloquial abbreviation of 街の金融屋 (machi no kin'yūya), referring to small-scale, often high-interest lenders operating in urban neighborhoods. Carries a slightly negative or shady connotation, similar to サラ金.
See also: サラ金
あの街金は金利が高すぎる。
That loan shark charges way too much interest.
彼は街金から借金をしてしまった。
He ended up borrowing money from a high-interest lender.