schmagagle Share definition Flag Everything (like the whole nine yards). Most common in the New York area. Variation of one definition of schmageggy. Guy 1: How much of that report did he write? Guy 2: He did it all, the whole schmagagle. schmagagle by M. Lennox October 4, 2008 0 0 Get merch Get the schmagagle mug. Buy Now — $32.95 See more merch