I have an odd fascination with "sensible malapropisms". Emphasis on sensible. If you say things like "for all intensive purposes", that's just retarded. But sometimes they kind of make sense, and it's understandable how you might make the mistake. Even better is when they have almost the same literal meaning using different (but similar sounding) words.
For example, to idolize something undeserving is to place it on a pedestal, because that's what you put statues on. Putting something on a "pedal stool" (I've seen you make this one, Druff) is kind of silly, but that's still raising it on a higher platform. A mistake, but a perfectly sensible one.
When something is fixed firmly in place, such as a belief, it is deep seated. That's the original phrase, and its meaning is very specific. A lot of people say deep seeded, which kind of means the same thing in a metaphorical sense. It was many years before I realized I was getting this wrong, but in my defense, it's totally sensible.
Escape goat - If you fuck up and get into trouble, just blame the escape goat and ride it to safety!
Mute point - Kind of a reach, but somewhat sensible. If a point is no longer worth debating, I suppose you could say it's silent.
I've thought about writing these down when I see new ones, maybe putting them on a website, but I sort doubt anyone else would give a shit.
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