from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun idiomatic The
front bumperof a carwhen used to bumpanother vehicle, usually to inform the driver of the other vehicle, that the first car would like to pass.
from Wiktionary, Creative Commons Attribution/Share-Alike License
The phrase most likely originated during NASCAR broadcasts in the 1970's when Stock Cars still had chrome bumpers.
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