An Australian slang term for giving someone a lift on your bike. Usually, this is done by the passenger sitting on the handlebars or standing on the pegs (metalbars that stick out from the centre of the wheel) of a BMX bike, holding on to the driver's shoulders. Dinky is also commonly used.
School kid 1: "Mum rang me saying she can't pick me up so I have to walk."
School kid 2: "Nah, I'll give you a dink home."
School kid 1: "Cheers mate!"