Methadone Baby Share definition Flag A turd so big it cannot be flushed. Often the size of a meatloaf, it can be attributed to the use or abuse of opiates. It wasn't a contest, but no one would admit to dropping the methadone baby at rehab. Methadone Baby by twidgetfitch August 5, 2008 0 0 Get merch Get the Methadone Baby mug. Buy Now — $32.95 See more merch