› show › 2008/10/16Marcia Brady Did What For Coke? - Howard Stern Oct 16, 2008 · Greg Almost Took Marcia’s Cherry. Maureen told the crew that cocaine use wasn’t her only youthful mistake – she also planned to lose her virginity to Barry Williams (aka “Greg Brady”): “It’s really weird. And I’m glad we never did it…his parents walked in on us…I didn’t do it so I must not have really wanted it.”