Grumpy Member Share definition Flag Grumpy Member/ˈɡrəmpē ˈmembər/noundef. A penis with fecal matter on it. The Grumpy Member smelled poorly, a washing was in order. Grumpy Member by Himchickenrich May 10, 2022 0 0 Get merch Get the Grumpy Member mug. Buy Now — $32.95 See more merch