If a bird poops on your head, is it good luck?

A Bay of Islands man swears it is, after winning $100,000 on an Instant Kiwi ticket.

The man said a bird recently pooped on his head, and his friends told him it was a sign of luck coming his way.

"I thought it was a load of rubbish, but when I was in a Lotto shop I had $5 left in my wallet so thought I would buy a scratchie and test my luck.

"I could not believe it when I scratched the right numbers and realised I had won $100,000," the man told NZ Lotteries.

"It is such a great feeling. I plan to start a new life with this win. I want to wipe my debts and just enjoy life."

The man is originally from Christchurch and plans to move back down there, undeterred by the recent earthquake.

"This win gives me the funds to be able to get down there and be able to help out in any way I can in the city's rebuild," he said.

The winning ticket was sold at Fullers Bay of Islands.