- Australian children's slang a stone
from a native Australian language
Examples from the Web for yonnie
Accepting fate, Yonnie scrambled up and plodded after the wagon.
I had been dreaming all the time of how much I should have liked to hold that little flaxen-haired "Yonnie" in my arms.
He immediately returned, took up "Yonnie," and brought her out into the circle on his arm.
Yonnie, the Ayrshire bull, tossed his head and sat as the rope tightened on his noseband.