The exact origin of this recording is unclear, so its life online is defined by how editors reuse the warning rather than by a famous scene. Short reaction lines like this spread through soundboards and short form video because the meaning is clear without subtitles or setup. The phrase works as a caption, a punchline and a piece of advice at the same time, which keeps it useful for traffic fails, gameplay collisions and everyday risky behaviour long after the first upload.
About this sound
A short spoken warning clip of the line cause they'll run you over, used as a funny reaction for reckless driving, close calls and street fails.
This is a brief voice clip built around a blunt warning: cause they'll run you over. The line is delivered like practical street advice, which is why it lands as comedy when the video shows someone stepping out carelessly or trusting traffic too much. It runs just over five seconds, long enough to set up the danger and deliver the punchline without extra context. Creators use the timing and the matter of fact tone to turn an ordinary near miss into a reaction moment that viewers instantly understand.