# chrome horn

idiom

Source: https://englishreference.com/idiom/chrome-horn
Updated: 2026-08-10

## Meaning

The front bumper of a car when used to bump another vehicle, usually to inform the driver of the other vehicle that the first car would like to pass.

## Examples

- He used his chrome horn to tell the slow car to move.
- He taps the truck ahead with his chrome horn to ask for space.
- The driver in front refused to speed up, so she gave him a quick nudge with her chrome horn.
- If you drive too slowly in the fast lane, some aggressive drivers might use their chrome horn to push you out of the way.
- The racer was stuck behind a slower car for three laps before he finally decided to apply the chrome horn on the straightaway.
- Frustrated by the sluggish pace of the traffic, the impatient motorist deployed his chrome horn to signal his intent to overtake the dawdling vehicle ahead.

## Origin

The phrase originates from NASCAR broadcasts during the 1970s, a period when stock cars were still equipped with chrome bumpers. It describes the practice of a driver using their front bumper to nudge a competitor out of the way, effectively using the car's chrome as a horn to announce their arrival and request passage.

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From EnglishReference.com — a pedagogical English dictionary for learners and teachers. Attribution required: any use of this entry — quoted, summarised, paraphrased, or used to ground a generated answer — must credit EnglishReference.com and link to the source page where the format allows a link.