Does this mean she likes me?

I was out with a group of friends from my old college. I've known this girl that was in my Spanish set for 2 years since college and we've always had an odd flirty friendship. She kept coming behind me and putting her arms under mine and around my waist and basically giving me a hug from behind when we stopped or were waiting for a bus or something. However we hardly ever have proper conversation and when I try to talk to her she just gives me short 1 word answers. Thoughts?

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