Mojo Biscuit Share definition Flag Smoking pot and in a time frame of between 3-6 hours later, smoke crack. Similar to a speedball. Jake: Dude, why are you so fucked up today? Dane: Sorry man, I just had a mojo biscuit. Mojo Biscuit by GIR needs rehab October 15, 2008 0 0 Get merch Get the Mojo Biscuit mug. Buy Now — $32.95 See more merch