subs. (common).—A feat; a performance or work, e.g., I’ll do your DAGS = an incitement to emulation. [From DAG, the old Saxon form of ‘day.’ Darg for a day’s work is common in Scotland. A love-darg is a day’s free help given to a farmer by his neighbours.]
1879. Notes and Queries, 5 S., xii., 15 Aug., p. 128. ‘I’ll do you (or your) DAGS.’ An expression used by children of young, and sometimes of older, growth, meaning, ‘I’ll do something that you cannot do.’
1886. Fun. He was very fond of what, in schoolboy days, we used to call doing DAGS.
