ya done!
The phrase said when something reaches a dead end, a roadblock, or becomes an epic fail. It is usually used to indicate a non ideal situation and can also be used as a joke to indicate a sudden end to something.
Guy 1: Ah dude! My car is so boss right now!

Guy 2: Start it up!!

Guy 1: Yeaaa!!!!

*Car doesnt start, battery is dead*

Guy 2: Ya done!

Guy 3: Yo i think were in a gta game of Favata. It says hes comin to take over this apartment.

Guy 4: Oh Shoot! Here comes Favata! Ya Done!! *jumps out the window and runs away*