Definition of "o's" []

• Plural form of o. (noun)

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• "If you invest your practice time in perfecting complicated offensive and defensive schemes, and I coach the fundamentals, my simpler system will whip your x's and o's."
• "I think Ryan should be fired after the season, not because he's a bad x's and o's coach or a poor motivator, but because he's become such an embarrassment and the team obviously lacks any semblance of discipline or respect for the game."
• "She can administrate, coach x's and o's and motivate."