1 definition by Vanfan

Referencing the Bill Cosby Movie. It refers to someone who is your friend but never answers emails or returns texts days or weeks later. They are your friend but no one ever see them. When you think they are gone they randomly appear or send you a text or email. when confronted they think they are always there.
John: Where is Phil? I don't know man he is has been Ghost dad for the last 2 months
by Vanfan August 23, 2013
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