Mag Hag Share definition Flag A Fag Hag for Mature Aged Gays (MAG) TJ loved her older gays, so much so she is known as the biggest Mag Hag on Oxford Street. Mag Hag by Supes October 3, 2009 0 0 Get merch Get the Mag Hag mug. Buy Now — $32.95 See more merch