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tough as nails explanation

Having a hard, strong, and determined mindset / mentality.

tough as nails

tough as nails - Image

tough as nails

tough as nails - Image

tough as nails

tough as nails - Image

tough as nails

tough as nails - Image

tough as nails

tough as nails - Image

tough as nails

tough as nails - Image

tough as nails

tough as nails - Image

tough as nails

tough as nails - Image

tough as nails

tough as nails - Image

tough as nails

tough as nails - Image

tough as nails

tough as nails - Image

tough as nails

tough as nails - Image

tough as nails

tough as nails - Image

tough as nails

tough as nails - Image

tough as nails

tough as nails - Image

tough as nails

tough as nails - Image

tough as nails

tough as nails - Image

tough as nails

tough as nails - Image