Top Definition
adj. 1. Pertaining to the TV show "The Simpsons". From the Simpsons and -ian, a common adjective suffix.
2. (often cap. S) A museum dedicated to Simpson paraphenalia. From Simpson and Smithsonian, the institution that runs many of the museums in Washington, D.C.
1. "No one has a greater amount of simpsonian knowledge than John; he watches the show everyday."
2. After visiting the Flintstones Museum, the family went to the Simpsonian, where they saw original storyboards.
by A_1_B_2_C_3_________________ September 30, 2006

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Any one of the few people who still believe that The Simpson's is better than Family Guy.
Dude 1) Hey, did you see Family Guy last night?

Dude 2) Family Guy!?! That show sucks! The Simpson's are sooooooo much better!

Dude 2) Dude, you're such a Simpsonian
by UltimateShadow January 29, 2010

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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.

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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).

Buy the t-shirt