dab tros n.
a bad sort, an unpleasant person.
|,||Dict. of Modern Sl. etc.|
|press cutting in Passing Eng. of the Victorian Era 115/1: If a chap happens to be a dab tros he gets on better than a doogheno who keeps himself quiet and never lets anybody Tommy Tripe know how clever he is.|
|Lingo 41: Thus the police became esclops, delo nammow is an old woman and a bad sort became a dob tros.|