Top Definition
When you're discussing something geeky very intensely.

When you know a lot of information about something unusual, usually nerdy, and express it with great enthusiasm.
Bruce: Batman never killed his villains until Robin died, which is the only reason why people began to call him 'The Dark Knight'. And in the series 'The Dark Knight Returns', Robin was a girl after Jason died.

Wayne: Dude, relax. I only said I was excited for The Dark Knight.

Bruce: Sorry, I was nerding out for a minute there.
by LadyHailey July 13, 2008

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To do a particularly nerdy activity such as playing a videogame, writing computer script, or doing math problems, and zoning out while doing them.
Oh, sorry i was nerding out there.

Try not to nerd out this time, ok?

Oh fingernailpiss, he's nerding out again.
by Anthony Fleck April 11, 2008

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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.

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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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you know you are nerding out when:

bowties, newly printed warm theses, and talks on evolution and human variation make you wet in the panties.

the majority of your boners are facilitated by the library, in one way or another.

you spend every friday night and the wee hours of saturday morning at PANCAKE 24 HOURS.
You only get ten academic boners in a lifetime. Ashley just got one. She must be nerding out.
by BONERSHLEY March 27, 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