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Chesterbelloc was a nickname coined by George Bernard Shaw to refer to the close friendship and literary collaboration between Hilaire Belloc and G. K. Chesterton. The two writers, known for their wit and shared Catholic faith, often worked together on projects, with Chesterton's imaginative flair complementing Belloc's satirical edge. The nickname "Chesterbelloc" encapsulates their intertwined literary identities and the unique blend of their talents.