Top Definition
When you masturbate to Pokemon.
EX: Dude stop Master balling all the time.

EX2: I master balled to Pokemon Leafgreen yesterday.
by JING MIKE MOY January 20, 2014

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To not use a valuable object waiting for a more fitting opportunity. Eventually ending the period where one could have used it and making it obsolete. Comes from an event that happens in Pokemon games often.
"No, I don't think I should use this wine yet its not a good enough reason."
"Don't end up master balling it."
by CommonFound December 29, 2011

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