Top Definition
When someone drops a dookie SO huge or SO hard that it clogs the shitter - even multiple flushes won't "budge the fudge".
Joey ate so much pizza that he left a bowl-buster in there ! I'm gonna need a plunger and two pounds of C-4 to get that mutthafukka outta there !
by Painus inthe anus November 28, 2011

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a much larger than normal bowel movement
Man, I must have lost 10 pounds after that bowlbuster!
by A.Nuss November 16, 2011

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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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A massive dump that, with its girth, breaks the toilet bowl.
"John, What are you doing?"
" I have to replace the fucking toilet. Amanda had Indian food last night and laid out a real Bowl Buster."
by Bryan Hodges April 13, 2008

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