Neil Tennant of the Pet Shop Boys explained that the "dogs" in the song represent "hooligans and criminal elements" surrounding a character with a "horrible gangster boyfriend".
J'ai Pas Peur (feat. Patsy Kensit) - French Version - Spotify Neil Tennant of the Pet Shop Boys explained
The song (1988), performed by the British pop group Eighth Wonder (led by Patsy Kensit), is a synth-pop classic written and produced by the Pet Shop Boys . The "Extended" or "French" version you are referencing is often known as "J'ai Pas Peur" . Musical Composition and the French Connection Neil Tennant of the Pet Shop Boys explained