Top Definition
short for a Ferris Bueller day -- in reference to the movie, "Ferris Bueller's Day Off" (1986)
Were you really sick on Friday or just taking an FB day?
by ΔиłĦ☼иצ ߀₡ʞ March 16, 2010

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The day that your birthday shows up on all of your friends news feeds on Facebook. Also the day after you update your profile picture, information, quotes, likes and interests. The one day of the year that all your facebook friends you never talk to creep on your facebook to see if their life is better then yours.
Justin: You remember Hilary from school?

Brendan: Yeah, its her fb-day today.

Justin: Shes gaining some weight.

Brendan: Her boyfriend has a chin strap.

Justin: Well asleast she listens to the avett brothers

Brendan: I love hipsters
by PACHYCEPHALOSAURUS March 11, 2011

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