If a guy touches your waist after a hug what does it mean?

Anonymous
I was walking home with a guy friend of mine, we talked for a while, then we hugged, it was normal, but at the end when we separated, his hand ran from my back to my waist, and he gave me a cute/awkward smile. I'm just wondering, what does this mean? Is this a good sign, or should I run?
HELP...
If a guy touches your waist after a hug what does it mean?
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