Metrosexual B is a less apparent form of metrosexuality. Metrosexual B men are not physically "metro." They tend to be fans of more "metro" activities and interests but it is not present physically. Activities of Metrosexual B men include but are not limited to: musicla theatre, celebrity gossip, appreciating fashion, and ocassionally dressing well.
The counterpart of Metrosexual B is Metrosexual A.
Greg's friend's thought he was a closet metro when they found him listening to the soundtrack from "Moulin Rouge!" but he's really just Metrosexual B.