shmagaggied Share definition Flag very, very drunk. drunk to the point where you wake up in a pile of your own puke, and are lying next to a 400 pound man or woman. i got very shmagaggied last night, and woke up in my own vomit next to corinne. shmagaggied by james hood November 1, 2003 0 0 Get merch Get the shmagaggied mug. Buy Now — $32.95 See more merch