Jarana Spanish

pata de perro

Short answer

In Lima, "pata de perro" means someone always out and about. The register is coloquial — fine among friends, out of place in a job interview or anything written to an institution. The standard Spanish equivalent is "callejero". In use: Mi hermana es pata de perro, nunca la encuentro.

Part of speechlocución nominal
Registercoloquial
Standard Spanishcallejero
In useMi hermana es pata de perro, nunca la encuentro.
My sister is never home, I can never find her.

Draft entry — needs a native-speaker check before publishing.

Affectionate. Describes restlessness rather than irresponsibility.