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When a guy goes through a phase of liking a girl named Madi/Madison. Madi's tend to be beautiful. This liking may result to stalking of some.
Guy: Woah, hey Madi. H-How's it goin'?
Madi: Uhh... Fine?

Best friend: Great, now he's going through a Madi Phase...
by Black Parade Babe December 13, 2010