How to Use "scruff" with Example Sentences

1. Those old jeans make you look a terrible scruff !
2. What , you don 't like the scruff ?
3. In the open part of each truck stood three hapless chinese , each held by the scruff of the neck by a uniformed policeman and each wearing a large sign with the name " economic criminal . "
4. After being bailed to his family , and sent to his local court for sentencing , the boy set off alone down the street , before his aunt and mother chased after him , dragging him back by the scruff of his neck .