Potential Noises
In a similar manner to those "voices" that warn you of a reversing lorry, it could say
"Super Cool Hipster In Transit" constantly and if it goes faster, just say the initials in a higher-pitched tone "SCHIT".
Or:
"Arrogant bawbag approaching".
"Entitled to use the pavement whether you like it or not regardless of the law".
An old-fashioned "mee maw" police siren.
Various aeroplane engine noises, e.g. Spitfire and Messerschmitt Bf 109.
"Arrrrgh!!! Gerroutthefukinwayit'sgonnacrash!!!!"
Biting the hand that feeds IT
