Top Definition
An internet-based criminal method for the installation of unwanted or malicious software through the use of internet advertising media networks and exchanges.
"Dude, some fake AntiVirus software was installed and totally messed up my computer and found out this happened because my free webmail provider was displaying Flash based malvertising banners."
додав Change Ling 01 Грудня 2007

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.

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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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