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"Come On You Irons" --West Ham
we were at a west ham game and we shouted "COYI" at a player
by Figure-Skater October 24, 2011
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COYI (short for Come On You Irons!) is a chant used to cheer on West Ham United Football Club, whose original name was the Thames Ironworks Football Club, formed in 1895, and changing its name in 1900 to West Ham United.
“COYI! Score a goal!!”
by Boudin Boy June 21, 2018
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