Por_un_perro -

: Three distinct lives in Mexico City are brought together by a horrific car accident .

The phrase is most famously associated with Alejandro González Iñárritu's 2000 masterpiece, Amores Perros . The title literally translates to "Love's a Bitch," but the stories are physically linked "by a dog." por_un_perro

: It is marketed as the first horror film where a dog is the primary protagonist . : Three distinct lives in Mexico City are

Beyond cinema, the phrase appears in modern digital culture: por_un_perro

In late 2025 and early 2026, "por un perro" trended alongside the release of the horror film Good Boy .