1 definition by CrimsonFury

Top Definition
CYO
An acronym used to refer to the "Catholic Youth Organization". In its most common form, it is used to describe Catholic sports leagues amongst the children of the catholic religion. Basketball is the most common sport in reference to CYO and teams are comprised of the age range from grades 3-8
There was a great CYO game last night between two really good teams
by CrimsonFury February 04, 2008

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