Hi bye friend意思

"Hi bye friend" is a playful or somewhat ironic term used to describe someone who only acknowledges your presence with a brief "hi" and "bye" without engaging in much conversation or friendship beyond that. It's often used in a casual, friendly manner, implying that the relationship is superficial or that the person is more of an acquaintance than a true friend. The term can be used to humorously describe someone who is polite but not very invested in a deeper relationship.