Someone who is obsessed with Petville and repeatlly checks to see if theyre stupid pet is okay. Petville dependant can also mean someone who has nothing better to do than sit around and play ghetto games on facebook.
Cool Kidd: Heyy you wanna come to my boyfriends game with me?
Petville dependant: No, sorry i have to go home and check on my pet on fb.
Cool Kidd: God what a petville dependant!