A hypocrite. Usually derogatory, refers to someone who has publicly reversed position on an issue. A flip-flopper. Derived from 'wannabe'.

Also, someone who is "yesterday's news", "so five minutes ago", or who's "jumped the shark". Someone who is no longer of interest and/or in the public spotlight.
1 The video describes use2be social liberal Mitt Romney proclaiming his support for gun laws, gay marriage, and women's right to choose.

2 All but forgotten use2be Ann Coulter, extremist and former darling of the right-wing, can't even get Faux News to advertise on her website these days.
by thenekkidtruth March 7, 2007
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