The Local Way to Say It
¡Ojo! If you hear someone described as un pupas in Madrid, it's not a compliment about their cuteness. This distinctly Madrileño phrase is used for someone who seems to constantly have minor accidents, small ailments, or just generally attracts bad luck in a physical way. Think of that friend who always sprains an ankle, catches every cold going around, or walks into lampposts. They're not gravely ill, just perpetually a bit *accident-prone*. For example: "Mi hermano es un pupas, siempre se cae de la bici." (My brother is always having minor accidents, he always falls off his bike.) Or, "¡Pobre Jorge! Se cortó el dedo y luego se quemó cocinando, es un pupas total." (Poor Jorge! He cut his finger and then burned himself cooking, he's a total pupas.) It's a fond, often exasperated, observation, not a harsh criticism.The 'Grammar Math'
Let's break down the 'grammar math' behind ser un pupas. Here, we're using the verb ser (to be) followed by an indefinite article (un/una) and a noun. This structure, Ser + (un/una) + Noun, is crucial in Spanish for defining someone's inherent characteristic or identity, much like saying 'He *is* a doctor' or 'She *is* an artist'. In this case, pupas acts as a noun derived from pupa (a boo-boo or minor injury), effectively turning someone's tendency for minor ailments into a defining part of their persona. It's not a temporary state like estar enfermo (to be sick), but rather a characteristic. Think of it as:Ser + Noun = Defining Trait/Identity.
This contrasts with adjectives that describe a quality. Here, the noun itself carries the full weight of the description.