What does a guy mean when he says I look magnificent?

Today a guy that I know from school told me I looked magnificent. He also playfully punched me several times, and when we hugged, he placed his hands were really far down my back. Is he flirting? And I think he's a natural flirt... how do you tell if someone likes you if they are a flirt to everyone?
What does a guy mean when he says I look magnificent?
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