The expression implies exceptional physical power or resilience, drawing a comparison to the perceived robustness of a bovine. The phrase typically describes someone or something exhibiting notable fortitude or an ability to withstand significant duress. For example, an athlete recovering quickly from an injury might be described as demonstrating the quality suggested by the expression.
The idiom’s value lies in its concise and vivid portrayal of strength. It provides a readily understandable and memorable image, conveying a sense of imposing power. Its usage has varied across contexts, appearing in popular culture to emphasize the capability or unyielding nature of a subject. Historically, similar comparisons have been used to signify robust health and vigor.