From the root word "jacked" or "jacked up", which have varying definitions, based on the context.
The noun "jackery" is the extent to which, or the way in which something(s) or someone is jacked.
T: This bike is so fucked up. Everything is broken or wrong.
E: Ya dude its totally jacked up.
T: This is the worst jackery i've ever seen
E: That's a a lot of jackery!