Top Definition
a dumb fucking word that if used, ironically, means the speaker is stupid.

Speaker 1: Man, I'm so sick of all the stupidness in politics these days.

Speaker 2: Dude, what are you, a 7 year old? It's stupidity, dumbass. Stupidness isn't a word.
by Luke D April 22, 2008

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Describing how stupid/acknowledging how much of an imbecile one is being.
Teen: I'm gonna get in this shopping cart and fly off the roof!

Parent: That's the stupidest thing I've ever heard. I can just FEEL your stupidness levels rising.
by Kazaen June 21, 2011

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.

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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
When someone does a silly act or says sumthing dumb..
Click the word to find out the example. stupidness
by N_a_t_a_l_i_e May 08, 2006

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