MADDYISM Share definition Flag when you really fucked up or did something really stupid and you need to go back to fucking preschool. dude guess what I pulled a Maddyism on my girlfriend yesterday. MADDYISM by m a d d y c c c June 6, 2020 0 0 Get merch Get the MADDYISM mug. Buy Now — $32.95 See more merch