If something is barsh, barshy or barshed then dependant on context the primary meaning would be that of something which ruined, foul or rotted up large.
Fred: 'Ah Clarke mate! Was given the foullest burg in the joint'
Shab: 'Mate that's barshy!
Little Jimmy: 'Fred ain't given my grinder back in time,'
Crackus McGee: 'What a proper barshman!'
Clartus: 'Monged handing my essay in yesterday'
Nanar: 'That's a bit of a barsh'
'I didn't hear a word Shabba was saying, he was chatting complete barsh!'
