Top Definition
the habit of giving opinions and advice on matters outside of one's knowledge.
Jen: Brad interrupted the conversation between Lisa and Jane about whether or not to have an epidural.

Sarah: Brad and his ultracrepidarianism gets on my GD nerves, he act like he has a uterus or something, what an asshole!
by Sunny Asylum July 28, 2011

The Urban Dictionary Mug

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The Urban Dictionary Mug

Lotsa space for your liquids.

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The Urban Dictionary 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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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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