Could be defined as multiple definitions such as: Tiredness, wariness, hunger, a want for relaxation (drugs).
Could also be known as a (bad) hangover.
Willem: What are you doing tonight mate, getting high?
Me: Yeah, probably; I'm jozzled.
Geoff: I had an epic night last night, brought back two birds to my place but then had to kick them out so I could go to work all day.
Me: Ohhh man... You must be jozzled.