SupercuntBlocker Share definition Flag Man or lesbian who keeps strangers with sex on their minds from their women friends or ex-lovers. I walked up to her at the bar when SupercuntBlocker stepped between us and said, "No sex for you!" SupercuntBlocker by cancer_1979 April 17, 2007 0 0 Get merch Get the SupercuntBlocker mug. Buy Now — $32.95 See more merch