Top Definition
A troll who thinks he's actually good at something he's not, most likely a video game, but can refer to anything.
This guy is horrible with Pikachu, he's such a Mustard Sock.

Good thing this Mustard Sock has no idea how to play LeBlanc, that hero is imba.
by KingRolo November 03, 2010

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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