Meaning is in a fight knocking out the opponent with one punch, or hurting the oponent to the level he gives in or walks off (pussy)
"dont chat shit or i'll oneBang you!"
by hype kid April 13, 2010

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Top Definition
The act of knocking someone unconcious in one punch.
Oi, give 'im the one bang!
by Tobedottty January 27, 2009

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Lotsa space for your liquids.

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Your favorite word on a white mug.

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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