Jizzy Jen Share definition Flag A girl, generally a twin, who does not handle her alcohol very well. Jizzy Jens are easily recognizable because they introduce themselves by this title at parties. Did you see that sloppy Jizzy Jen last night? You know, the one who wound up in the garbage can... Jizzy Jen by creepa'! December 2, 2009 0 0 Get merch Get the Jizzy Jen mug. Buy Now — $32.95 See more merch