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A hater who is also a poser. A person who hates on others because said person thinks he knows a lot about something (but he doesn't, he's more a poser ).

Not to be confused with "poser hater ", which is someone who hates on posers .
John: Hey I really like this style of music.

Adam: You don't even know who that artist is . (Gives a stink eye/hater look)

John: Adam is a hater-poser.
by Going back out August 23, 2016
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