Here are some possible interpretations, depending on what the speaker intended to say:
1. "You are as small as a metaphor"
* This would imply that the person is very insignificant or unimportant, like a simple word or phrase used to represent something else. It's a rather harsh comparison.
2. "You are as little understood as a metaphor"
* This suggests that the person is complex and difficult to understand, like a metaphor that can have multiple meanings and interpretations.
3. "You are a little *something* as a metaphor"
* The missing word could be anything that makes sense in the context, such as "like," "like a seed," or "like a whisper." This would mean the person is small or insignificant in a way that is similar to a metaphor.
4. "You are a little *something* as a metaphor"
* This could be a play on words, where the person is actually small in stature and also happens to be a skilled user of metaphors.
To understand the true meaning, you need more context. What was the speaker trying to convey? What was the situation?
Could you provide more information about where you heard this phrase?