Quarters!
An Auburn fan and an Alabama fan both go over to Tunica to do a little gambling.
After a couple of hours the Alabama fan was broke. He looks over and sees the Auburn fan with a wheelbarrel full of quarters.
The Alabama fan walks over to him and says, "Wow, where did you win all that?"
To which the Auburn fan replies, "You see that machine on the wall over there? If you put a dollar in you get four quarters back every time!"