Glib way of saying "There is a high probability that..." It doesn't maketoo much sense if you think about the way gambling odds work, but I didn't create it; I just report it.
Dimes will get you dollars that his car will break down before he gets there.
Dimes will get you dollars that she doesn't really want to change jobs.
Dave during 2021: Things couldn't get any worse, right?
Dave: *turns on the tv* A new virus called "Air Aids" has appeared. It originated in San Francisco and started spreading through Atlanta. If you're homosexual, you already have it, and you're gonna die. All straight people and non-faggots shall remain indoors until we get it sorted out.
Dave: Of course. Things CAN get worse.