1. A straight man that has mostly gay male friends.
2. A straight man that constantly tries to turn his gay friends straight by engaging the in 'hetero' activities.
1. John is such a stag hag that he's lost the ability to pick up chicks.
2. Casey is a major stag hag. He took the gay boys fishing last weekend, then got pissed when they wouldn't touch the worms.
Straight guys who have, due to current circumstances, been hanging around the gay pasture. They like to mow, they eat a lot, they shedsocks. We have the gay women's security force after a couple of fights broke out over TV remotes. They eat a lot. They gays saw them as exotic at first, now they are just guys hanging around gays. They are growing on us.
The staghag speaks longingly of the 1980's, when they worked for a union and made a great living.
Boys who enjoy yaoi (a genre in Japan that contains sexual and/or romantic relations between two men); literally translates to "rotten boy"; corresponding female : fujoshi