To publicly announce a belief or preference that one has kept hidden, especially one's sexual preference: “At the last moment, the representative came out of the closet and announced her support for the controversial amendment.” (See skeleton in the closet.)
come out of the closet definition
|an arrangement of five objects, as trees, in a square or rectangle, one at each corner and one in the middle.|
|a chattering or flighty, light-headed person.|
come out of the closet
see come out, def. 6.