IdiomDaily LifeEnglish

as tough as old boots

Meaning: very strong; enduring; difficult to break.

Example: “My grandmother still chops her own firewood; she's as tough as old boots.”

Origin: Leather boots worn hard for years genuinely do become extraordinarily tough: repeated soaking, drying, and flexing stiffens the hide until an old pair can survive treatment that would destroy almost anything else in a household. The phrase is British, attested from the 1800s, and it runs in two directions that reinforce one another. Applied to a person it is admiring — resilient, hard to injure, not easily worn down. Applied to food, and to meat in particular, it is a complaint, comparing an overcooked cut to boot leather. The two senses sit close enough together that boots being literally eaten in extremity became a stock image of hardship, played for comedy in Chaplin's The Gold Rush. The expression is equally current in Australian English.

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