Chron john Share definition Flag Weed that is very green and potent. Will usually get you high within 2-3 hits. Ay, you said your dude got some "Chron john"? hit em up! Chron john by L oONaY October 15, 2008 0 0 Get merch Get the Chron john mug. Buy Now — $32.95 See more merch