A slang term predominantly used in Puerto Rico and Dominican Republic. It's used to refer to someone backstabbing, betraying or doing something harmful in a sneaky manner. It's derived from the verb 'puyar' which means to poke or stab.
Examples
- Spanish: No confíes en él, es capaz de púyalo a uno por la espalda.
- English: Don't trust him, he is capable of backstabbing someone.