beer jizz Share definition Flag that foam that sprays out the top of your beer can after its been shaken too much. it covers the top and is just nasty to get on you aww man, noah spilled that nasty beer jizz on me...i'm gonna smell like beer for a week beer jizz by samuel colt September 1, 2009 0 0 Get merch Get the beer jizz mug. Buy Now — $32.95 See more merch