Definition
The aggressive driving practice of deliberately preventing someone from merging onto a freeway by matching their speed and staying alongside them. It's both a traffic hazard and a petty power move that occasionally ends in spectacular collisions.
Example Usage
That guy committed on-ramp blocking and nearly caused a five-car pileup.
Source: Urban Dictionary (https://www.urbandictionary.com/define.php?term=on-ramp%20blocking&defid=1840475)
Related Terms
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