Can be an adjective or a verb.
A filler word that can describe getting: wrecked, f'ed, ruined, destroyed, manipulated, cheated on, stolen from.
Nashe is a filler word for anything negative that won't get you cancelled in a professional environment.
Example 1:
Habib: "Man, I nashed this guy 11-3 on FIFA ultimate team"
Habib's friend: "No way, that's great."
Example 2:
Habib: "Yo, I was nashing this insanely hot chick yesterday"
Habib's friend: "No way man, where's she from?"
Habib: "who cares man, just be happy I nashed her"
Example 3:
Habib: "Man this laptop is absolutely nashed"
Habib's friend: "Just get a new one already"