Girls, If a girl starts dancing with a guy in a nightclub does it mean she interested?

When ever I go clubbing with friends , girls always make eye contact on the dance floor or just and dance. Like there was three girls and they forced there way between me and my friend dancing. There was a short one dancing and she was getting really close to me, but she didn’t face me or try to communicate she just kept rubbing up against me and dancing. And it seemed her friend was trying to force her closer to me.
I was really tall compared to her and quite muscular build (American footballer build).

why did she keep dancing and rubbing up against me but not face me and try to communicate in any way? And it seemed like her friend was forcing her towards me.
Girls, If a girl starts dancing with a guy in a nightclub does it mean she interested?
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