- noun a tuft of dirty wool round the tail of a sheep
- verb to remove dirty wool from the hindquarters of a sheep
- noun (a piece of dried) sheep dung. This sense of the word dates from the 16th century, but has become archaic in Britain. It usually refers to the dried flakes adhering to tail wool.
- noun a stupid or unpleasant person, by extension from the first sense. By the late 1980s ‘dag’ had become a fairly mild all-purpose insult or description, freely used for instance in television soap operas such as Neighbours.