ASAYC Share definition Flag Acronym for "As Soon As You Can." Pronounced "A-S-A-Y-C." "Hey guys, Kenny G is playing a holiday concert at the Civic Center tomorrow night. If you want to go, let me know ASAYC." ASAYC by MDSmoov December 16, 2008 0 0 Get merch Get the ASAYC mug. Buy Now — $32.95 See more merch