Definition of prangs:
(n) :
(chiefly UK, Ireland, Commonwealth, informal) An accident involving a motor vehicle, typically minor and without casualties.
(v) :
(intransitive, chiefly Australia and New Zealand, UK, informal) To crash; to have an accident while controlling a vehicle.
(v) :
(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).
(n) :
(slang, dated) An aeroplane crash.
(n) :
(dated, military slang) A bombing raid.
(v) :
(slang, dated) To crash an aeroplane.