Top Definition
The collective outlook and behavior of a group of people concerning a subject (movies, games, hardware, comic book characters, etc.) which when challenged results in an antagonistic, passionate, and unreasoned response.
Rampant Fanboyism can be found on most internet message boards when such hot button subjects are discussed. You know a fanboy when you see one.

Example:
Fanboy 1: "Stupid people didn't get this movie"
Fanboy 2: "If you didn't like the movie, you should'nt come here and trash it."
Fanboy 3: It's unrealistic because.....___(fill in the blank about how this movie about flying superheroes is unrealistic.___"
by Catperson May 30, 2007

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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

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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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Owning al S&W comics
Drol: omg, I r teh 0wn teh all

Twas de laatste die ik nog nie had
by DNAku-san December 06, 2004

The Urban Dictionary Mug

Lotsa space for your liquids.

Buy the mug

The Urban Dictionary Mug

Lotsa space for your liquids.

Buy the mug

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