Answer: it'd be something to do
Dragline asks "Luke that's money you're talking about, now what's a matter with you?". Luke says "Yeah well, it'd be something to do." Luke finds a way for every cent in camp to be put in a gambling ring, without betting any of his own money. Luke manages to swallow the last egg at the last second. As a result, Luke becomes like the gang's "bank" allowing others to take out loans since he, Dragline, and KoKo now have all the camp's money. It is never stated who bet for or against Luke, but when the inmates are asking for money, Luke, Dragline, and KoKo are the ones at the table handling the money.