Top Definition
MMR
Match Making Ratio. It's a hidden skill rating giving to you by Blizzard's complex rating system. You are never allowed to see it, but it determines "Favored, Teams Even, and Unfavored". It also determines league.
My MMR must be huge, I went from Bronze to Diamond in 3 game

My MMR is bigger than my dick, and my dick's bigger than Mount Everest. 2+2=a big dick.
by DeminRamst February 13, 2011

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MMR
Stands for the medical vaccine which prevents measles, mumps, and rubella. "MMR" comes from the first letter of each disease.
Jake received his MMR vaccine as a child.
by cypat25 July 03, 2005

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an american high school in canada where preference is given to jocks and snobs

mmr to only date the popular crowd
oh you don't stand a chance with her she so mmr
by billy w. April 07, 2004

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The Urban Dictionary T-Shirt

Soft and offensive. Just like you.

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The Urban Dictionary T-Shirt

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mmr
make me rice
walking up to an asian and saying " mmr".
by AsiAnsFood November 06, 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

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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