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2. Why not
A reason/excuse given by people to do anything at all. Because of its universal nature, this is often used as an excuse to do something stupid.

Not to be confused with the Pokémon Wynaut.
Why not go rob that bank over there?
1. Why Not
The only answer to the question Why.

No matter what you say, you can always ask why. The only way to end it is by saying Why Not.

Saying why after why not just doesn't make any sense!
-I like Urban Dictionary
-Why?
-Because it's a great website.
-Why?
-Well, for one it allows me to define words.
-Why?
-Cause that's the whole damn point of the site!
-Why?
-Why not?
-...
by ? Jan 2, 2005 add a video
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