Top Definition
Noun.

1. Pure, unadulterated stupidity. Daftness of a magnitude that shocks beyond words. Total and complete lack of reason. Utter futile uselessness. Such wanton disregard for logic as to render silent all within earshot of the event.

From the English "bum" (see ass) and "fuck"
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1. I won't stand for this bumfuckery, by Jove. I'm going home.
by thaks May 20, 2006

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someones ineptitude or general incompetence when working on a simple task
because of your bumfuckery, I have to work 8 hours OT and clean up your fuck ups
by maninblackmn February 08, 2010

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