Dominated or controlled by club interests or club members; heavily influenced by club power or club rules.
From 'club' plus 'ridden,' the past participle of 'ride,' meaning controlled or dominated by (as in 'guilt-ridden'). This follows the productive English pattern of combining nouns with '-ridden' to show excessive control.
This word beautifully captures the image of something (like a town or institution) being essentially colonized by club power—it's the linguistic equivalent of saying a place has been taken over by one group's narrow interests.
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