A) Extremely enormous, bigger than normal. Usually used to described a guy who's penis is either over girthed or extra long.

A) opposite of tinnie winnie short short dick!
Daaaamn Luke, your wanker was gibongous!
by dalethefarmer July 29, 2007

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Top Definition
Very big. Huge. It's a mix between the words giant and humongous.
Her head was just, big... but her tatas were gibongous!
by k-fred September 02, 2007

The Urban Dictionary Mug

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.

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.

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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