GAME AS A PEBBLE
extremely courageous; ready for anything, having staying power;
often used of horses ...1831 sl.
from 'game' enthusiastic, keen
+ 'pebble' an indomitable person or horse, one difficult to handle
(orig. hunting sl., then Aust.)
FIRST DOCUMENTED USE
1831 - See Example below
"...Game as a pebble, George did the ten miles, and stood the ordeal o
f the blanket over him in bed for nearly an hour afterwards."
From: The Sporting Magazine, or Monthly Calendar of the Transactions of the Turf, the Chase, etc.
"Observations on the Practical Parts of the Life of a Jockey"
By: Ringwood, 1831
• Cassell's Dictionary of Slang, Jonathon Green, 2000
• Dictionary of Slang and Unconventional English,
8th Edition, Paul Beale, 2002
• Oxford Dictionary of Slang, John Ayto, 1998