fallow crypt Share definition Flag A fallow crypt is formed when a man's pubes are long enough to braid into a sock used to keep his penis warm. Dude, my dick was getting cold so I grew out my pubes and made myself a fallow crypt. fallow crypt by Swaglord Kush October 23, 2018 0 0 Get merch Get the fallow crypt mug. Buy Now — $32.95 See more merch