From Longman Dictionary of Contemporary Englishgrottygrot‧ty /ˈɡrɒti $ ˈɡrɑːti/ adjective British English informal 1 DIRTYnasty, dirty, or unpleasant SYN manky a grotty little bar2 ill The next day I felt a bit grotty.
Examples from the Corpus
grotty• Either that, or like amateur actors of no great talent taking part in some grotty costume play.• It was a grotty kettle, choked with lime on the inside and all its shine gone on the outside.• People who live near a corner where another so-and-so has abandoned a grotty sofa bed.• They are light, easy to set up and transport and they can cover a multitude of grotty walls.Origin grotty (1900-2000) grotesque 