1) A "social squatter"
One who show's up at party through 2nd and 3rd degree invitions, drinks all your alcohol, pretends there friends with everyone, and if male, often hits on ever female in the house before they leave. No one really wants them there, but no one really knows that they don't belong other an overwhelming dislike for the gypsy that isn't discussed until it's too late.
It's not often that this person doesn't even know who's house they are at.
2) Also seen in use as "fair weather friend"
Party host says, "Who the hell is that gypsy drinking my Crown ?"
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