Fag Down Share definition Flag English. Slang (US) To act/behave less of a fag, or a faggot. To be more straight. To be less fag. Artemio acts like a fag he needs to fag down.Artemio is such a faggot, he needs to fag down. Fag Down by azteka22 April 7, 2010 0 0 Get merch