Quantum Jelly Share definition Flag Jelly which is both on the knife, in the jar and on the toast. You can't tell which cause by looking, you'll change the outcome. Dang, I hate Quantum Jelly! Quantum Jelly by DeDLoK March 8, 2005 0 0 Get merch Get the Quantum Jelly mug. Buy Now — $32.95 See more merch