usually a 'muffin' is someone who looks like they're dipping (i.e., they have their tongue pushing out the lower lip region by the gum), and is incapable of independent thought.
muffin food is different entirely, and, afaict not remotely like what you lot call muffins. delicious often.
then there's tasty muffin -- nice arse. also frequently delicious.
e.g.: 'you are such a fucking muffin' to someone who has just totaled a classic ford by reversing into a crowd of wasted people who leaped out of the way so the vehicle could lose most of its boot to a fight with a fence post.
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