Top Definition
Mutually
Assured
Self
Destruction
Nuclear proliferation was justified on the premise of mutually assured self destruction.(MASD)

In personal adds where both parties are married and have just as much to loose if caught
by spoonldr October 24, 2011

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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Smooth, soft, slim fit American Apparel shirt. Custom printed. 100% fine jersey cotton, except for heather grey (90% cotton).

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