This actually refers to farming... A dag is what happens when a sheep (or any farm animal with long hair) craps and the crap gets stuck in the hair, thus forming a dag.
To call someone Daggy, is to call them dirty/messy/hair full of crap.
To call someone Daggy, is to call them dirty/messy/hair full of crap.
by Nataliebee November 05, 2006