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1.
Gay male who does not admit that he's gay and pretends that he is straight all the time to his friends/family.
George Bush will not admit that he's a closet queen
by Dave May 22, 2004
 
2.
A very nice or expensive guitar that never gets played.
Have you seen Bob's 57 gold top? It's so sweet but he never plays it. It's a closet queen.
by Comanche March 06, 2012