Top Definition
A exclamation either when the exclamator destroys something or does something wicked awesome.It is usually screamed when something is set on fire or exploded. it is also screamed when somebody does a stunt or a backflip or......something cool......like that.
(throws a 20 pack of fire crackers into a bon fire. this results in large noises and lotsa, lotsa explosions)Random Dude: Boomshackalacka
de samuel wood 06 August 2006

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It's when you anal a girl and then she gives you a blow job.
Turc: Hey dude, my girlfriend's breath smells like shit!
Schu: Why?
Turc: Because I boom shacka lacka'ed her last night.
de BORAT SAGDIYEV 29 Martie 2009

The Urban Dictionary Mug

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Lotsa space for your liquids.

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The Urban Dictionary Mug

Your favorite word on a white mug.

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The Urban Dictionary Mug

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).

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to eat cow dung or a celebration
i want to boomshackalacka
de himshona 26 Septembrie 2007

The Urban Dictionary Mug

Lotsa space for your liquids.

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The Urban Dictionary Mug

Lotsa space for your liquids.

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The Urban Dictionary Mug

Your favorite word on a white mug.

Create a mug

The Urban Dictionary Mug

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

Buy the mug

The Urban Dictionary T-Shirt

Soft and offensive. Just like you.

Buy the t-shirt

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
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