Green’s Dictionary of Slang

(Aus.) the hair.

1905		Duke Tritton’s Letter n.p.: Her Dublin Fair is sort of brown, her Mince Pies are blue, her North and South was made for kissing and from the top of her Lump Of Lead to her Plates Of Meat she is perfect.
2002		Pete’s Aussie Sl. Home Page 🌐 Dublin Fair: the hair.