Top Definition
so fucking stupid
chinese pronunciation
mum: dont go to bball
me: on99
by urlifehk June 29, 2003

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A Dumbass, fool or whoever done something stupid and we call them ON99(on-gill-gill).
John 's action were totally on99.

A: Why you think Ghost exist Tony ?
B: You are on99 for asking that kind of stuff.
by Hedgehog111 April 22, 2016

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Lotsa space for your liquids.

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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