Janked Ask Urban Dictionary about Janked Share definition Flag Being janked refers to being extremely fucked up, as in being extremely drunk or otherwise intoxicated. "Man, I'm so janked." "Yeah me too. I'm jankity janked" Janked by Messed Jessed August 20, 2009 0 0 Janked Merch Get the Janked mug. Buy Now — $32.95 See more merch