I'm reminded of an article by David Pogue, who used to write the back page column in MacWorld back in the '90s. One issue, he introduced a lexicon of terms he invented that he felt the computer industry should adopt.

One of them was "corrupgrade", which was defined as something billed as an upgrade but was actually worse than the old version. It's still the only one of those terms I remember, just because it's so useful.