A male friend who is a surrogate replacement of a girlfriend or spouse in a heterosexual way. MGs are in near constant communication and may talk more than an actual girlfriend or spouse. Similar to a wingman but with more responsibility, a man-girlfriend will do anything that is typically done by a girlfriend (other than sex). Seth and Evan, in the cult classic Superbad, were man-girlfriends.
âMy man-girlfriend hasnât called me today and Iâm starting to get a little worried.â
âDude, have you talked to Brady lately? What the hell is his problem? His man-girlfriend is out of town and heâs going into withdrawal.â
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