name this movie

[SpaceAce]

Possibly The Cooler, but that doesn't quite fit your description.

SpaceAce

[vkotlyar]

the title did not have "the" in it.
v

[DemonDeac]

Good Burger, but that doesnt fit your description much

[smk67]

Owning Mahowny? Banker 'borrows' money (steals it) from the bank and goes to atlantic city and vegas where he gets treated like a high roller before going busto? It started with him as a degenerate losing his own money.

[xenthebrain]

Yeah, definately sounds like Owning Mahony.