noun

• (South Asia) A post system by means of transport relays of horses stationed at intervals along a route or network, carrying mail and passengers.
  "He prided himself on looking neat even when he was riding dâks."
• (South Asia) A dak bungalow.
  "Gaining the dak, they were joined on the veranda by four tight-lipped men."
• (South Asia, obsolete) A journey using the dak system.
  "“What are you going to do?” said the woman, between her sobs. “Do! Nothing. What should I do? Kill Kurrell or send you Home, or apply for leave to get a divorce? It's two days' dâk into Narkarra.”"

verb

• (Australia, informal) To suddenly pull down someone's pants as a prank; to pants.
  "'That Phillip (names another child) “dakked” Trevor.' 'But I've already spoken with Brendan and with Phillip, and they say that it was you who “dakked” Trevor.' 'No. He did it to me first, ay?' 'First? You mean he “dakked” you before you “dakked” him?'"