Jizzlemonster Share definition Flag Jizzlemonster; noun, adjective. A particulary annoying, fruity person. Often associated with the word Jizz or Jism. "Adam your such a jizzlemonster, piss of!" Jizzlemonster by Joe Leeper June 28, 2004 0 0 Get merch Get the Jizzlemonster mug. Buy Now — $32.95 See more merch