YASG Share definition Flag Acronym for You Are So Gay. Also can be used as a noun. Used to refer someone as being very gay. "Samwell is such a YASG." "Yeah, all he does is spin all day!" YASG by Chuchulanquito April 3, 2009 0 0 Get merch Get the YASG mug. Buy Now — $32.95 See more merch
