buggered
adjective /ˈbʌɡəd/
  /ˈbʌɡərd/
[not before noun] (British English, taboo, slang)Idioms - very tired
- broken, or damaged too badly to repair- Oh no, the TV's buggered.
 
Idioms 
I’ll be buggered 
- (British English, taboo, slang) used to express great surprise- Well, I'll be buggered! Look who's here.
 
I’m buggered if… 
- (British English, taboo, slang) used to say that you do not know something or to refuse to do something- ‘What's this meeting all about?’ ‘I'm buggered if I know.’
- Well I'm buggered if I'm going to help her after what she said to me.