noun

• (slang, dated) An aeroplane crash.
  "2011, Bill Marsh, Great South Australia Stories, HarperCollins Publishers, Australia, unnumbered page, I remember when a call came through that a crop sprayer had had a plane prang down at Naracoorte, in the south-east of South Australia."
• (dated, military slang) A bombing raid.
• (chiefly UK, Ireland, Commonwealth, informal) An accident involving a motor vehicle, typically minor and without casualties.
  "The typical prang cost a few hundred dollars in panelbeating charges."
• (US, slang, uncountable) Crack cocaine.

verb

• (slang, dated) To crash an aeroplane.
  "“We have to wear good socks and boots,” said one pilot with a grin, “—as we often prang in the jungle, and have to walk home.”"
• (intransitive, chiefly Australia and New Zealand, UK, informal) To crash; to have an accident while controlling a vehicle.
  "“Didn′t bump nobody,” I sneer. “That′s because you were careful,” says the wife. “Your forecast doesn′t say you will prang. It merely says ‘exercise care today,’ which you did.”"
• (transitive, chiefly Australia and New Zealand, UK, informal) To damage (the vehicle one is driving) in an accident; to have a minor collision with (another motor vehicle).
  "Soon after rescuing some silly children from the local caves, the alien prangs his vessel and dies."

noun

• (architecture) A type of tower or spire featured in some Buddhist temples of Cambodia and Thailand.
  "The prang is surrounded by walls, which are in turn surrounded by smaller prangs and chedis, some of which are rather precariously supported."