Someone who is wuss/pussy at doing anything, and won't go anywhere to chill. Basically, a lazy fuck that doesn't do shit and is too much of a wuss to do anything daring.
Basically a longer version of Pussy or Panzy. The "Shitfucked" is an adjective for Panzy.
Someone who refuses to do anything, being selfish and avoiding situations.
Brian: Yo dude, you gonna come with us to the game tonight?
Peter: Naaa, man its aight, i feel like goin home.
Brian: Your such a shit fucked panzy
Derek: Yo, can you lend me a dollar, i dont got enough for this meal.
Walter: Hey, I need some of this money, ask someone else.
Pete: Yo walter is nuts
Derek: Ye, what a shit fucked panzy