Top Definition
anyone or anything small or undersized. can also mean timid weak or being a pussy.
i've caught several fish in this lake but they are all milli-mouths. stop being a fucking milli-mouth and beat that guy's ass!
by tomscrews September 09, 2008

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small in stature, timid, scared of confrontation. an all around pussy.
1. I've caught fish in this lake before but they are all milli's or milli-mouths. 2. Don't be such a milli-mouth and whip his ass. 3. That guy is a milli-mouth maggot!
by Thomas Crews August 30, 2008

The Urban Dictionary Mug

Lotsa space for your liquids.

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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