Definition of dag in US English:



  • 1usually dagsNZ A lock of wool matted with dung hanging from the hindquarters of a sheep.

    • ‘Besides reducing methane emissions, condensed tannins have other animal-related benefits, including improved milk yields, increased liveweight gain, decreased internal parasite burden and reduced bloat, dags and fly strike.’
    • ‘The fleece is so cut that the wool around the base of the legs and backside runs in a continuous line, from which it is easy to strip the dags, the stains and the prickles.’
    • ‘Farmers and farmers-hands may regularly cut off the dags to keep their sheep clean.’
  • 2NZ informal An entertainingly eccentric person; a character.

    ‘your father must have been a bit of a dag’
    • ‘Although it is hard to play favourites with such a loveable bunch of dags, I must confess to preferring mum Janelle to the rest.’
  • 3informal A staid or socially inept person.

    • ‘We've all known people like Steve, the likeable dag with big dreams.’
    • ‘Floyd may be a bit of a dag, but he's a pretty nifty player when it comes to badminton!’
    1. 3.1 An untidy or dirty-looking person.


Late Middle English (denoting a hanging pointed part of something): possibly related to tag. dag (sense 1 of the noun) dates from the early 17th century; dag (sense 2 of the noun) is a transferred use of English dialect meaning ‘a challenge’.