Top Definition
A challenge between two individuals to see who can post more times an third party Facebook wall.
"Has anybody seen Archie? I heard he's in the middle of a postoff"

"Doctor, what happened to my little Binktosh?" "Sorry, maam, but we did what we could, but the post off was too intense."
by The third vertex May 13, 2007

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

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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