What if you don't care at all, so you say "I could care less," as if to say that you care lower than not at all? Saying "I couldn't care less" could actually be taken as a compliment, because the statement doesn't state how much you care to begin with.
What really grinds my gears; I hate penny loafers. How much more gay can a shoe get? The answer is none. None more gay.
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