An adventure of extreme nature, can be applied to any adventure whereby a normal person would consider you to be mad for partaking in the said activity. ie An adventure such Mountain Biking in the pouring rain at 4 in the morning
Brendan: The ride got a bit insane back there when it stated pouring down and that fox was chasing us.

Steff: It did indeed, it was a bit of a Madventure
by www.madventure-wales.co.uk September 02, 2009

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Top Definition
a kickass tv show from finland where two guys travel arround the world doing all kind of stuff
tunna and riku kick ass!!!!
by jussi April 09, 2005

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.

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