leather made from a pig's hide, used for wallets and gloves, or slang for a football.
Simple compound of 'pig' and 'skin.' The football slang originated in early 20th-century American sports, playing on the leather material.
American football fans call it 'pigskin' even though modern footballs are actually made of cowhide—the slang stuck around as a poetic relic from when early footballs really were wrapped in pig leather.
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