Dairy – corner store
Dear – expensive
De Facto – a couple who live together but are not married
Ding – small dent in a vehicle
Dressing gown – bathrobe
Dob in – to inform the authorities of someone who is breaking the law
Drongo – term of abuse, idiot
Dodgy – unreliable
Dole – unemployment benefit
Down trou - dropping ones trousers
Down under - New Zealand, as seen from the northern hemisphere
Dux - the highest academically achieving student
Duvet - quilt
Dunny - toilet