Top Definition
1: The sound a car trunk makes when playing a loud car stereo with huge, high-powered subwoofers in it.
2: Also can be used to describe the act of playing a song with loud bass.

"Blappin" is a slang word most commonly used in and around the California SF Bay Area. As part of the Bay Area's Hyphy Movement, "blappin" has been used in hip-hop songs by various Bay Area rappers such as Keak Da Sneak.
The word most likely evolved from the word "slappin" which also has the same definition in Bay Area slang.
"Damn that shit sounds clean. You can hear it blappin in da trunk from a mile away."


"What it do?"
"I'm just blappin dis new E-40 shit. What's good witchu?"
by vtown707 January 17, 2009

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Its like rappin.....but you saying some crazy shit.
You could say something like You blappin?
by Sweet Lulu October 27, 2006

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Your favorite word on a white mug.

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One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

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The Urban Dictionary T-Shirt

Soft and offensive. Just like you.

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The Urban Dictionary T-Shirt

Smooth, soft, slim fit American Apparel shirt. Custom printed. 100% fine jersey cotton, except for heather grey (90% cotton).

Buy the t-shirt