Green monster [drugs] [pills] Share definition Flag lang term for a pill called calanzapam and is use to get high or help panic attacks WHOOO!!! I poped some green monster drugs pills last night and i dont know what happened Green monster [drugs] [pills] by Btimmz October 16, 2008 0 0 Get merch Get the Green monster [drugs] [pills] mug. Buy Now — $32.95 See more merch