Postal 3. It's doubly ironic, as we're fairly sure Postal 3 isn't ever going to come out.
But before we rush to judgment: Is it possible that Boll is trying to look better by comparison? Like you know how known super-fat guy Fatty Arbuckle used to pay a bunch of ultra-fat guys to hang around with him just so people would be like "Hey, you know, Fatty's not looking that fat."? Maybe this is like that, but with being terrible.