From Alex Massie's blog at the Spectator:

[randomness]

What We Say vs What We Mean vs What They Understand:
(achinhibitor's comment reminded me of this.)

Comments

[gee-tar.livejournal.com]

Yup this is how I understand most these phrases, and God forgive me, use them too much of the time. Of course, I always have plausible deniability from my actual meaning.