An extremely ignorant person. Someone who has no clue what is going on around them.
That Chux is such a hammerball. He doesnt know whats going on.
by mendel December 09, 2003

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Top Definition
Violent eastern european team based game
I'll Kick your ass at hammerball bitch
by Contract_Killer247 May 20, 2004

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The Urban Dictionary T-Shirt

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While a man is receiving oral sex, it is the act of bruising a partner's chin as a result of violent, aggressive oral sex, whereby the testicles slap against the chin with such force, causing the bruising or tenderness of the partner's chin.
His ballbag slapping hard against his girlfriend's chin, Frank gave Sally hammerballs.
by Beer Whore September 27, 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).

Buy the t-shirt