Definition
A blow-off valve on turbocharged cars that releases intercooler pressure to prevent turbo flutter—basically the car's pressure relief system that sounds aggressively cool doing its job.
Example Usage
That car's bov is so loud, you can hear it from three blocks away.
Source: Urban Dictionary (https://www.urbandictionary.com/define.php?term=bov&defid=1352998)
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See “bov” in Corporate Speak, Gen-Z Slang, Pirate Speak, and more.
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