在哪里看到的？有上下文么？

http://books.google.com/books?id=aqDQAgAAQBAJ&pg=PA3&lpg=PA3&dq=%22A+doctor+who+was+into+him+for+forty+large%22&source=bl&ots=xdaq5RSPtJ&sig=w8fBHf8uQuVUFCK64sGWs1-Kqfo&hl=en&sa=X&ei=Hko-U9ysHKPg2AWZ_oGgDQ&ved=0CCYQ6AEwAA#v=onepage&q=%22A%20doctor%20who%20was%20into%20him%20for%20forty%20large%22&f=false

@AI00IROBOT
It means the doctor owes him (Stan?!) 40,000 US dollars.
be into somebody = [American Englishinformal]to owe someone money: e.g. He's into me for $50. (Source: Longman Dictionary)
large (noun) = [slang, plural: large] A thousand dollars. e.g. Getting a car tricked out like that will cost you 50 large. (Source: Wiktionary)

40 large = 40 grand.
You know I make it rain!